Bibliography of Indonesian GeologyBIBLIOGRAPHY OF THE GEOLOGY OF INDONESIA AND SURROUNDING AREAS 4th Edition, November 2011 J.T. VAN GORSEL II. SUNDALAND www.vangorselslist.com II. SUNDALAND This chapter of the bibliography combines literature on the relatively stable continental crust region of W Indonesia, a collage of continental blocks, volcanic arcs and accretionary terranes that amalgamated before Jurassic time with the Eurasia continent. It includes the large islands of Sumatra, Java and Borneo, separated by a shall, broad shelfal region, the Sunda Shelf. It contains 145 pages with about 1450 titles, subdivided in three regions: II.1. Sumatra II.2. Sunda Shelf (incl. 'Tin islands', Singkep, Karimata) II.3. Natuna, Anambas. II.1. Sumatra The geology of Sumatra is ably described in the recent comprehensive compilation by Barber, Crow & Milsom (2005). Additional information may be found in the over 1040 Sumatra papers listed in this bibliography. SW-NE cross-section across W part of South Sumatra (Westerveld 1941) The 'basement' geology of the large island of Sumatra is composed by complexly deformed Late Paleozoic- Mesozoic sediments and associated volcanic and igneous rocks. The presence of intense compressional deformation and juxtaposition of unrelated stratigraphies was already recognized by Tobler (1917). The first broad synthesis of the Sumatra basement terranes in modern plate tectonic terms was by Pulunggono and Cameron (1984). They recognized the continuation of the geology of the Malay Peninsula and the principal Gondwana-derived terranes that amalgamated in the Late Triassic and the collision of the 'Woyla' arc/accretionary terrane in the Cretaceous. Additional microcontinental terranes may be present in the present-day fore-arc of North and C Sumatra (Natal, Sikuleh Terranes; Cameron et al. 1980, Wajzer et al. 1991, Barber 2000). A good overview of Carboniferous- Cretaceous sediments and fossils is the book by Fontaine & Gafoer (1989). Most of the Permian deposits have near-tropical faunas (fusulinid limestones) and floras (the classic 'Cathaysian 'Jambi Flora'), and can be tied to the Indochina- East Malaya group of plates that separated from Gondwana probably in the Devonian. Some areas. Other areas appear to carry an Early Permian near-glacial signature ('Mergui microplate') and can be correlated to the W Thailand- West Malaya 'Sibumasu' or 'Shan-Tai' terrane that separated from Gondwana in the Permian. Pre-Tertiary 'basement' is unconformably overlain by sediments of a series of Late EoceneOligocene (ages poorly constrained) and younger rift basins, and, in the western half of the present island, by Oligocene- Early Miocene arc volcanics and the Late Miocene-Recent active volcanic arc. The North, Central and South Sumatra basins are prolific hydrocarbon-bearing basins. The distribution of oil and gas fields is very 'spotty': fields are found only above, or within ~50km from rift basins with Oligocene lacustrine and (less important) coaly syn-rift source rocks. Bibliography of Indonesia Geology v. 4.0 1 www.vangorselslist.com Nov. 2011 A widespread Plio-Pleistocene compressional event inverted many of the Paleogene rift normal faults, creating most of today's surface anticlines. The oblique subduction of the Indian Ocean plate under Sumatra gave rise to the major Sumatra Fault Zone, a NW-SE trending right-lateral strike slip fault zone across the Barisan Mountains volcanic arc. A similar, parallel fault zone, the Mentawai FZ is present in the offshore and roughly parallels the front of the accretionary prism. Sumatra has long been an important hydrocarbon province, with all oil and gas production from the North, Central and South Sumatra 'back-arc' basins. Initial exploration in the late 1800's- early 1900's focused on drilling surface anticlines, many of them with surface seeps, targeting the relatively shallow M-L Miocene sandstone reservoirs. A deeper play, and volumetrically the most important, is in Late Oligocene- basal Miocene fluvialdeltaic sandstones in anticlinal structures. It was discovered accidentally by drilling 'too deep' into the thick Early Miocene marine shale section over Christmas in 1922 at Talang Akar-Pendopo in S Sumatra (Talang Akar field in the Talang Akar Fm). The first discovery in the C Sumatra basin was in 1939 in the Lirik field and is also in this play. The largest fields oil fields in Sumatra are the giant 35 billion barrels Duri and Minas fields in C Sumatra, discovered in 1941 and 1944. A third play, which could not be explored in the old days of surface anticline mapping, is in E-M Miocene reefal carbonate buildups, and was a main focus of 1970's- 1980's exploration. The Arun field in N Sumatra, discovered in this play in 1971, is one of Indonesia's largest gas fields. A fourth play, in fractured and weathered Pre-Tertiary basement, has generated interest since the mid-1980's, but volumes have been relatively minor. II.2. Sunda Shelf (incl. 'Tin Islands', Karimata) Some 150 papers are in the bibliography primarily on the Sunda Shelf, a broad shallow sea, that was exposed land during the Pleistocene glacial lowstands. A pattern of Pleistocene relict river channels draining from Sumatra and Borneo into the South China Sea was mapped by Molengraaff (1919), Hanebuth et al. (2000), etc. The Sunda Shelf forms the relatively stable core of 'Sundaland', an area of relatively old continental terranes (Indochina- E Malaya- SW Borneo?), that amalgamated with Asia before the Permian. PreTertiary rocks outcrop extensively, or are covered by only a thin veneer of fluvial and shelfal relict sediments. The main economic interest of the region is in the 'tin islands' Lingga, Singkep, Bangka and Belitung, off the NE coast of Sumatra, probably extending to the Karimata islands off SW Kalimantan. They are the S part of the SE Asian tin belt, which extends from N Burma, Thailand and W Malaysia. Mining has taken place since the early 1800's and Indonesia has produced ~15% of all tin mined in the world, mainly from alluvial cassiterite placer deposits eroded from Late Triassic granite intrusives. Today, reserves are largely depleted. Bibliography of Indonesia Geology v. 4.0 2 www.vangorselslist.com Nov. 2011 Aernout (1922). Van Baren & Keil (1950). Emery (1969). Strimple & Yancey (1976). Cretaceous and Tertiary deposits are absent or very thin. 1921). 1968). radiolarian cherts. 1928) The oldest rocks on Bangka and Belitung are Paleozoic mica schists and low-metamorphic. Suggested reading Geology: Verbeek (1897). 1941). Batchelor (1979) Permian-Triassic fauna/ flora: De Neve & De Roever (1947). Kruizinga (1950). Van Overeem (1960). Hosking (1970).vangorselslist. Rare limestone blocks with Permian fusulinids.Permian flysch-type clastics with basalts. De Roever (1951). Ko (1986). Sujitno (1977). Hanebuth et al. Aleva et al. Adam (1960).0 3 www. This complex is unconformably overlain by less deformed probably Triassic sandstones and shales with poorly preserved Cathaysian flora. (2000-2010).. Katili (1967. Jongmans (1951). intruded by granite (Bothe. etc. Tin deposits/ mining: Bothe (1925). These rocks may be interpreted as an accretionary complex of Paleo-Tethys ocean-floor material. 2011 . Bothe (1928). showing imbricated PermoCarboniferous overlain by less-deformed Triassic clastics. Wing Easton (1937). Barber & Crow 2009).com Nov. 4. imbricated before the Triassic collision with the Sibumasu terrane (Hutchison1994.Lingga (bottom). Cissarz & Baum (1960). Bibliography of Indonesia Geology v. Molengraaff (1919. Archbold (1983) Pleistocene: Molengraaff & Weber (1921). Hosking et al. Hehuwat (1972). (1977). Westerveld (1936. (1973). This stratigraphy highly suggests affinities with the E Malaya block and W Kalimantan. isoclinally folded Carboniferous.SW-NE cross-sections across Kundur-Batam (top) and Singkep. Geologically it may be viewed as a westerly continuation of the Cretaceous active continental margin of NW Borneo with a basement of metamorphic-accretionary complexes and granites. It contains large E-M Miocene reefal buildups. Natuna The Natuna area forms the N edge of the Sunda shelf.Miocene fluvial-deltaic clastic reservoirs. (1997). 1971). (1996). Hakim (2004) W. Haile (1970.com Nov. Ginger et al.0 4 www. Tanai. Its core is composed of intensely folded Jurassic.Miocene fluvial sediments. Natuna Basin: Wongkosantiko & Wirojudo (1984). which is part of the non-extended Sunda Shelf. Most of the 80 publications on the Natuna area are on oil and gas exploration and fields in the West and East Natuna basins. and is very similar to the 'Danau Fm' of C Kalimantan (Bothe 1928). (2002). (2000). Daines (1985). Franchino & Viotti (1986). (2008) E. (2004) . Hakim & Suryono (1994. 1997). Pupilli (1973). Natuna island is on the N-S trending Natuna Arch basement high. The West Natuna Basin is connected to the larger Malay Basin. 1035m). Bibliography of Indonesia Geology v. Suggested reading Geology: Bothe (1928). Dunn et al. 2011 . the Malay. one of which forms the highest mountain on the island (Mt.W Natuna basin in the West. Franchino (1990). Hakim et al. typically with high CO2 content. The Natuna islands are bordered on three sides by Oligocene rift basins. Morley et al. Natuna Basin: Sangree (1981). Bachtel et al. Harahap & Wiryosujono (1994).Cretaceous Bunguran Fm deep water clastics and volcanics with radiolarian cherts and gabbros-serpentinites. (1993). Kraft & Sangree (1982). Exploration and production focused on Late Oligocene. It is intruded by Late Cretaceous granites.II.vangorselslist. Gunarto et al. some of which are gas bearing. This basement complex is unconformably overlain by thin Oligocene. Maynard et al. The South China Sea in the North and the E Natuna basin in the East. Rudolph & Lehmann (1989). The East Natuna basin was not affected by the young inversion tectonics. Fainstein & Meyer (1997). (2003). 4.3. mainly in young (~Late Miocene) inversion structures. Phillips et al. Septama & A. 1. Indonesia.. C. 166-171. p.Z. several ore bodies in Early Miocene age (9. 45-61.W. Kabupaten Pasaman. (Suban 1910 shallow gas discovery. SUNDALAND II. Petrol. 42. (Dayung Field 1991 fractured basement gas field on W flank of C Palembang sub-Basin (Corridor Block). 4. Area 18.. Sumatera Barat. & B. 2011 .The geology of the Arun field Miocene reef complex.0 5 www. (Field 5 km E of Jambi discovered in 1959 in E Miocene Baturaja carbonate. 55-67. Jordan (1987). 203-220.H. West Sumatera. a case study in Ketaling Barat field.Prospek emas Bonjol bersulfida rendah di Wilayah Kecamatan Bonjol. (Arun gas field 1971 discovery in N Sumatra. reappraised in 2001) Adinegoro. Petrol. N of Padang. 8.vangorselslist. p. S Sumatera. should be Late Miocene?. Conv. Hartoyo (1974)..E. W Sumatra.5 x 5 km.from 2771-3006m. B1. 33rd Ann. p. Sumatra Abdullah. p.H.Complex geomodeling: Dayung Field a fractured PreTertiary reservoir in the Southern Sumatra Basin. Assoc. di Wilayah Kecamatan Bonjol. Duri (Riau) 2005. J. U. intruded by Jurassic (175-205 Ma) granitic complex. Assoc. Antolik & G. H.3-11. S. (IAGI).HvG) altered rhyolitic volcanics of Gunung Amas Fm.The June 2000 Mw 7. Latuconsina (2008).Pre-Tertiary basement petrography: Suban Barat-1. Piadhy & M. M. similar to above) Achiat. 15p. Sumber Daya Geol. Indon. Abdullah. Proc.F. R. 1-9. p. 7th Offshore South East Asia Conf. Indon. Limapuluh Kota Regency. Proc. (2008). and dominanly granodiorite with some spilitic basalt and marble between 3010-3250m) Abercrombie. Guttormsen & R. Occurrence of Enggano earthquake implies stress field within Indian plate continues to depth of 50 km in subducting slab) Abidin. H. 115-125.. Lower. J. Harahap (2007). Indon. (Epithermal Pb-Zn-Ag mineralization in district Limapuluh Kota. Mainly Permian meta-carbonate (Leko Fm). p. (IAGI). 16th Ann. Indonesia 2. Rachmanto (2004). Conv.Paleogeography of North East Sumatra. Bibliography of Indonesia Geology v. M. E. 180km NW of Palembang. Y. 3rd Ann. Geophys. Gold deposit probably of low sulphidation epithermal type) Abidin. & C.. Proc. & P. Proc. Petrol. Res. (GRDC) 18.9 earthquakes south of Sumatra: deformation in the India-Australia Plate. H.Indikasi mineralisasi epitermal emas bersulfi da rendah. Suparka. R.From non-economic into producing field. IPA09-G148.II. (Bonjol gold prospect. p. Assoc. Proc. Harahap (2007). Jordan (1988).H. South Sumatra.The geology of the Arun Field Miocene reef complex. Kabupaten Pasaman. 33rd Ann. Assoc. Indon.I. Hirosiadi. Geol.Z. Indonesia. Ekström (2003). Geol. Abdurrachman. W Suban 1 well penetrated 479m of hydrothermally altered granite. p. SEAPEX Proc.Pb-Zn-Ag Deposits at Tanjung Balit. probably reactivated fracture zones.Middle Miocene carbonate buildup on Arun High with 1080’ of gas column) Abdullah. Sourced from onlapping Paleogene sediments) Adibrata.Z. (June 2000 earthquakes S of Sumatra below Indian Ocean predominantly left-lateral strike-slip on vertical N-S trending faults. Conv. (Bonjol gold prospect paper. 253-263. M. Earthquakes consistent with recent models of distributed deformation in India-Australia composite plate. Batubara 15. Sumatera Barat. 65-96. In: Sumatra stratigraphy workshop. & C. 1. J. W Sumatra. Conv. Jurnal Geol. & B. Singapore 1988. M. J..F. p.. Teknologi Min. Waworuntu (2009). in metasediments of Tapanuli Group/ Kuantan Fm (Permian)) Abidin. Indon. 4. B.1. 108.com Nov. M.9 Ma. Pasaman District. 1. A. S. Schlumberger. (East Benakat first drilled in 1930. Eo-Oligocene sediments in NE Sumatra basin 5000-7000 m thick. Centre Indon. South Sumatra. Ghazali (1984). Conf. p.G. 1. Conv. et al. Reef complex elongated. M. 4. A.000 scale map. Oilfield Review. between Tamiang River to N and Toba-Asahan River to S. Jakarta 2006 Int.L. Proc.com Nov. B.R. Marmosuwito. 20. W. Proc. and tested 30.Carbonate development on the “TN” field in the Lematang Trough. NNE-SSE trending. E of Barisan Range. 487-500..N. L. & G. Assoc. Geol.Potensi hidrokarbon prospek dalam pada lapangan-lapangan tua di sub-cekungan Palembang bagian Selatan. A. S. Indon.32-1.T. (SW Betara Field 2005 PetroChina discovery in Talang Akar Fm of Jabung Block. 22nd Ann. Conv. offshore North Sumatra. F. 2011 . B.Pre-Tertiary paleotopography and related sedimentation in South Sumatra. Proc. & D. Assoc. Conv. P.000 years ago. W. Subandrio. Indonesia. Petrol. 35th Ann. Additional prospects remaining in this trend) Agus. off NW Sumatra..000 km2).. Indon. M.Seismic reservoir characterization of Indonesia's Southwest Betara Field. Assoc. 3. 7 p. moldic/ vuggy and intercrystalline. Ardiputra (1976).com/~/media/Files/resources/oilfield_review/ors00/win00/p20_41.6%. Pekanbaru 2006. p. Eruption of Toba Tuffs and post-ignimbrite volcanism on line of W marginal fault of depression. S Sumatra) Aldiss. Geol Res Dev. The Leading Edge 27.0 6 www. Wasono Aji. (Sumatra Late Quaternary Toba volcano-tectonic depression largest resurgent cauldron and one of largest ignimbrite fields (Toba Tuffs: 3000 km3 of acid tuffs over 20. area 18. R.Reservoir characterization study to determine thin sand reservoirs using AVO Inversion and spectral decomposition analysis. Indon. Vissapragada.. Alexander. 06-RC-04. Proc. Petrol. D.vangorselslist. Renewewed interest and development decision after Pertamina drilled E Benakat 3 in 1973) Alamsyah.T. with unsuccessful 1997 well due to lack of internal seals and late top seal preventing capture of early biogenic gas) Akuanbantin. Sihman M. This marginal fault once extended N offshore into zone of Miocene back-arc rifting) Aldiss..8 km2 and relief approximately 600’. (2006). Jabung Basin. (2006). Conv. Winter 2000/2001. Petrol.A snapshot of carbonate reservoir evaluation. Alghamdi. 13th Ann. 13 p. Petrol. p. 141. Exhib. Ten old oil fields on Pendopo-Limau anticlinorium with 1340 MMBO oil and 3 TCF gas in place. D. Marpaung & S. (‘Hydrocarbon prospects in old fields in S part of Palembang sub-basin’.. microfracture type porosity in several areas with permeability between 0. M.The geology of the Sidikalang quadrangle.7 mD) Akbar. Proc. Bibliography of Indonesia Geology v. Wisnu H. Geosc. Proc.(Broad Oligo-Miocene paleogeographic map of N Sumatra onshore. Indon. With discussion of N Sumatra geology and stratigraphy Adiwidjaja.P. Feriyanto.3D Seismic facies analysis of a reefal buildup: NSO' A' Field.A.ashx) (Reservoir evaluation paper with example of M Miocene buildup in Sibolga basin.H. Allen et al. Conv. South Sumatra basin. formed ~100. Geol.Geology of East Benakat oil field. Sjaefudien & Kusyono (1983). Indon. Sukmono (2008). Resurgent uplift raised lake sediments in depression by 500 m. D.41.8-9. Toba depression formed after lithification of Toba Tuffs by collapse along regional faults.. Carbonate porosity average 6. 41 p. Quart.. H. p. Sumatra. p. Whandoyo. & M. Indon. Assoc. 59-68. 2nd Ann. 1598-1607... Assoc. Widada. A. testing minor oil in Talang Akar Fm of NW-SE trending anticline. (2001). & S. 6p.. Nellia (1993). 1:250. Petrol.7 MMSCFD from 250’ gross interval. Adlan. de Coster (1973). 5th Ann. 12.slb. Soc. S.The regional geology and evolution of the Toba volcanotectonic depression. S Sumatra) Alamsyah. 3D onshore seismic data of Ripah Field. Bandung. 89-103. (TN 1997 gas discovery in Baturaja Fm carbonate buildup on local high in Lematang Trough at ~12. Rakimi & Wibisono (2005).000’ depth.L. 137-168. (Identification of Late Oligocene Talang Akar Fm NNE trending deltaic channel sands in 2000 Ripah field. p.N. (IAGI). Greater part of Toba Tuffs single ignimbrite cooling unit. (online at: http://www. + map. Sutjiningsih. Assoc.. J. Paleosols good seals capable of retaining columns up to 4. p. Central Sumatra Basin. Proc.5 Ma sequence boundary appears to focus migration toward E margin of basin) Amier. (online at: http://darwin. 4th Ann.E.5 -9.L. 14th Ann. fission track age of granite near Tanjungsakti of 9. 2. Sequence of maceral assemblages represents change of topogenous to ombrogenous peat and development of a raised peat bog) Amijaya. p. Proc. 35th Ann. p. Proc. paleoecological and thermal metamorphism implications on the organic petrography and organic geochemistry of Tertiary Tanjung Enim coal. 173-187. D. Indonesia. Cargile & M. 0. 37. partially recrystallized clay matrix. T. Siagan (1975). Indonesia: palaeoecological and thermal metamorphism implications. 49-60. Assoc.D. Indon. Ph. 66. (Incl. Sealing capacity correlates with clay content and position in soil zone. less liptinite (4. Int.Geological map of the Manna and Enggano Sheet. Conf. (2005). Geol. & W. Kusnama. Gafoer (1985).I. 170p.high volatile bituminous. Bali 2000. E. T.R.. perm.rwth-aachen.B. R. S Sumatra. Dev. Coal Geol. Indonesia. Rustandi & S.com Nov. Littke (2006). p. South Sumatra Basin. AAPG Int.53 +/. p. Gafoer (1993)..Organic geochemistry of the Lower Suban coal seam. H. Thesis University of Wollongong. 4. (IAGI). source rocks and hydrocarbons in the South Palembang sub-basin. Kerogen type mainly type III) Amijaya. Lowest Hydrogen Index (HI) values of 171 mg HC/g TOC. varying with API gravity. Amijaya. low rank M-L Miocene coals of Muara Enim Fm. south Sumatra.007 md.. Dominated by huminite (34.C.7%.C. near-reef. ('Relationship between the Bengkulu Basin and S Sumatra in the Tertiary') Amin. Original coal rank subbituminous. Geol. Indonesia. sample with high liptinite HI of 507 mg HC/g TOC. Indonesia. Petrol. Pekanbaru 2006.0 7 www. Dawson (2000).000. Schwarzbauer & R.. H. & R. mean huminite reflectance 0. 271-295. (Tanjung Enim Tertiary age coals thermally metamorphosed by heat from andesitic intrusion.46%. South Sumatra Basin. 700-750 °C in most metamorphosed coal) Amijaya. Organic Geochem. 6p.Paleoenvironmental. Indonesia. cemented.55 Ma) Bibliography of Indonesia Geology v. Int. thermally metamorphosed coals medium volatile bituminousmeta-anthracite. Reef facies with zones of vuggy porosity correlatable to lost circulation.bth.de/opus/volltexte/2005/1266/pdf/Amijaya_Donatus.Microfacies and depositional environment of Tertiary Tanjung Enim low rank coal. Coal Geol. 261-279.95%).Reappraisal of kerogen typing on low rank coal from South Sumatra basin.2 -0. Almon W. Thesis Rheinisch-Westfalischen Technischen Hochschule. Assoc.Properties of thermally metamorphosed coal from Tanjung Enim area. Littke (2005).vangorselslist.0. H. Aachen. J. 197-221.Development of the Arun gas field. Three facies identified on 3D seismic and wells: reef.2-44%). 2011 . & S. Littke (2006).Sc.(NSO-A1 1972 gas discovery in M Miocene reefal carbonates. J.Paleosols as top seals for nonmarine petroleum systems. Jakarta 1985. Indon. T. Sumatra. (1991). 61. (Low rank coals from Tanjung Enim area. Near-reef and inter-reef areas better reservoir properties than reef core. Hydrocarbons can leak across paleosol horizons along faults or where breached by fluvial-tidal channels.35-0. M.marginal marine facies in C Sumatra Basin densely compacted. & R. 1:250. Geol. (Tanjung Enim area. p. J. PITIAGI2006-011. South Sumatra Basin. and fluid density. Conv. inter-reef. Dolomite only in reef facies) Alford. (IAGI).Coals. Contact metamorphism Temp. Thick paleosol at 25.600’ oil and 5900’ gas. Res. Amin. H.pdf) Amijaya.Hubungan antara Cekungan Bengkulu dengan Sumatera Selatan pada awal Tersier.H. M. Bandung. 9 (Abstract) (Paleosols in nonmarine.61%) and inertinite (0. Centre. AAPG Bulletin 84. Assoc. L. Conv. Indonesia with special reference to the coalification path of macerals. Porosity 1. South Sumatra. South Sumatra Basin.C. Conv. Indon. (2006). . IPA11-G-090. Early Permian island arc volcanics) Bibliography of Indonesia Geology v. Petrol. (Asih and Asih North two structural oil fields along N-S strike slip fault. S. Indon.. S. Achdiat.C.Karakteristik batuan klastika Formasi Peneta dan kaitannya dengan indikasi minyak dan gas bumi. Indon. M. 1-14. Res. Geol. Guttormsen (2011). PITIAGI2006-048. (Letang. Kusnama & Suryono (2006).Facies architecture and depositional relationship of Baturaja carbonates in Letang.Stratigraphy and tectonic development of Mentawai island. With a. J. Late Jurassic. (Langsa Block Miocene series of multicycles related to tectonic phases. Petrol. Remapping of Bekasap and Menggala Fm with 3D seismic. 10p. p. Sutisna & Suminto (1996).com Nov. S. Assoc. p. (IAGI).Early Cretaceous. Suminto. S. S.Geology of the Tanjungkarang Quadrangle. Hendar S. interbedded with basalts and arc volcanics. Assoc. occurrence of Paleozoic? metamorphics (Gunung Kasih complex) and Menanga Fm mid-Cretacous sediments with Orbitolina. Assoc. Carbonate platforms separated by deep NW-SE intra-platform channels. Proc.. Meirita & J. p. S. Conv. Sumatra. Karstification effect related episodes predominantly developed in upper interval) Amlan. about 30 km from Minas Field. Gas generation started in Late Miocene in most basinal areas) Andi Mangga. Permian Mengkarang Fm sediments near Duabelas Mts with warm water fauna and Cathaysian flora. Conv. Bandung. Sumberdaya Geol. Two main carbonate facies. 3. Multicycle A not penetrated.. (SE Sumatra map sheet. Oil generation started at beginning of Miocene in deepest grabens and still continues on graben margin.Hubungan geologi antara Kepulauan Mentawai dan dataran Sumatra bagian Selatan. Younger source rocks (B and CMulticycles) also identified but no oils typed to these. Dev. Left-stepping en echelon folds and faults represent flower structure formed by NNW-SSE movement along older weak zone or ‘suture’ after SW-NE compression) Anderson. S. Gafoer & Sidarto (1994).E. 16-20.M. 1-11. B. Paleogeographic reconstructions basis for interpretation of source rock distribution. 16th Ann. Yarmanto & I.H. Associated amphibolite schist 125-108 Ma) Andi Mangga. M. South Sumatra. West Sumatra. based on plate tectonic theory. Gafoer & N. Dev. Proc. Wahono (1993). p. J..vangorselslist. Suwarna (1987). muddy platform facies and coral-algal reefal buildup facies. Centre. Rawa and Tengah eqarly 1990’s gas discoveries in Corridor Block E Miocene Baturaja Fm carbonate buildups. (IAGI).0 8 www. 35th Ann.A. 22nd Ann. Indon. paleogeography and petroleum geochemistry of the Langsa Block in the offshore North Sumatra Basin. p. Bon & H. Conv. probably lacustrine (initial AMulticycle) and (2) mixed marine algal/terrestrial (later A-Multicycle). 1. Rawa. Sutisna (1996). Centre.. 4. Geol.Reassessment of the Miocene stratigraphy.Lingkungan tektonik formasi Mengkarang di daerah Dusunbaru. Jambi'. Proc.. Assoc. 6. Sumberdaya Min. p. p. Most porosity secondary vuggy and mouldic in leached coralalgal framework. Sumatra (1:250.L. S. Conv. Geol. Central Sumatra basin. but interpreted on seismic. V. Each multicycle several cycles: 4 in B.o. Suyoko & K.Influence of strike-slip fault in structural deformation of Asih and Asih North fields. Andi Mangga. J. Proc...Amin. 52. Corridor Block. Res. 136-143. ('Tectonic setting of the Mengkarang Fm in the Dusunbaru area.000). 5 in C. T. Sumberdaya Min. NW side of S Sumatra basin) Andi Mangga. Geol. Pekanbaru. ('Characteristics of the Peneta Fm clastics and its relation to oil and gas indications'. (GRDC) 16. Build-up facies commonly developed above paleo-highs. 60. ('Geological relationships between the Mentawai islands and S Sumatra') Andi Mangga.. and Tengah fields. J. Geol. (GRDC) 6. K.. Sidarto. Muswar (2006). Indon. Bandung. Suwarti. Geol. Gunawan (1994). Santosa & W. 169-189. Amir.Geology of the Kotaagung Quadrangle. Two source rock types: (1) algal. p. 2011 . Amiruddin. R. Jambi. 35th Ann. T. ('The Lematang coal fields. S. Centre.Tertiary granitoids exposed in Lampung. not much data) Aprilian. p.)) Anugrahadi. (On Late Miocene fluvio-deltaic Muara Enim Fm. A. Jakarta 2003. Dienst Mijnbouw in Nederl. Tanjung Enim. Indon.0 9 www. volcanic arc granites and syn-collisional granites and volcanic rocks related to subduction) Anggayana. Adian (1998). 69-82. 1-24. Sulfur in B-2 and C seams postdepositional pyrite as cavity fill and framboidal forms) Anggoro. Geol. 4. Assoc. (2009). Petrol. 6p. Exhib. S. Y. p. Pendopo and Prabumulih.. ash contents are 4 2-9. p. Rejuvenation projects resulted in 45. In: SPE Asia Pacific Oil and Gas Conf. etc. With 1:200. Angraini.Sequence stratigraphy and facies analysis of Muara Enim Formation. Petrol.. Oost-Indie. B. Koesnadi. Syafrizal & Y. Int.000 scale geologic map of Jambi part of Barisan Mts. Spec. S.. 1. 279-285.S. Dev. Mineral 5. Dienst Mijnbouw in Nederl. Jakarta. with more detailed description of the Bukit Asam coal field'. Novian (2003). Proc. 3. (Cretaceous. 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Sumatra.Integrated lithofacies characterization within carbonates of the Baturaja Formation. (1940). 639-650. 2. I. Prosser & R. p.. VIII. no locality maps or stratigraphy) Druif. 2011 . Petrol.H. (online at: http://www. Fault segment is locked. Baha. mica schists. J. (On stratigraphic plays in S Sumatra basin. & K. 5. Samml. (1912). Amer.vangorselslist. J. Conv. Sumatra Oostkust). Sumatra East coast)'.On regional migration and alteration of petroleum in South Sumatra. Slip rate calculated from far field points (27.Geologie des Kuestengebietes von Benkoelen zwischen Seblat (NW) und Bintoehan (SE) (Westkueste von Sumatra).W. Island 90 km E of Belawan Deli mainly composed of granites. Aprianto (2011). Indie 1940. p. 1. 4.H. 24p. composed of metavolcanics. 6. Geol. Assilina) and Early Miocene (Lepidocyclina (Eulepidina and Nepholepidina) larger forams. T. 24.W. C. 253-278. Duquesnoy. J. Petrol. Indon. Ibul Field in Talangakar Fm distributary channel sand is proven stratigraphic trap with reserves of 25 MMBOE. Proc. J. Assoc.Oeloe Aer fault zone. Ego. (Unpublished BPM report on geology of W Sumatra coastal region near Bengkulu between Seblat in NW and Bintuhan in SE) Bibliography of Indonesia Geology v. 41-42. Bull. Within limestone reservoir several upward shoaling successions. JCM2011-154. p. 5. 153-194. Northwest Central Sumatra Basin. Ombilin Basin. Geol. p. Nederl. ('Magnetite and hematite occurrences in S Sumatra'.Beitrage zur Geologie und Morphologie der südlichen Westküste von Sumatra. Locally significant magnetite ore bodies in schist (= banded iron ore formation of Subandrio & Tabir 2006?. Intrusions of red granites with some gold-siver mineralization. 424-435. 6 p. 2. Natuurk. Sumatra) Everwijn. p. 77. Indon.Perkembangan “barrier bar” pada batupasir Formasi Keutapang bawah daerah Aru. Indon. (1867). intercalated with thin laminated calcareous sandstones. 163-171) ('Investigation into coals in the residence Palembang'. Most of Lampong area composed of mica schists (more than mapped by Verbeek). West Sumatra. Mainly summary of observations on coastal geomorphology of Bengkulu province) Eubank. (also in Jaarboek Mijnwezen NOI 1879. (2010).R. Prakt. Main strike of schist WNW-ESE. p. Aru area. R. 289-358. 83-155) ('Report on a reconnaissance trip in the state of Siak'. R. p. Petrol. R. (1905). No figures) Endharto. West of Sumatra. M.Neogene geology of the outer-arc ridge: with a special reference of Simeuleu island. Conv. Natuurk. Coal Geol. (1860). 25th Ann. 1. & M. 1. 509-513. Indonesia.C. 20th Ann. Proc. HvG). Assoc. Proc. Tijdschr. Jaarboek Mijnwezen Nederl. p. Sunda fold. Proc.Over nieuwe vindplaatsen van kolen in de assistent-residentie Bengkoelen. Early'Mijnwezen' survey of Miocene coal near Bali Bukit and Lematang River near Lahat. M. Conv. Oost-Indie 2 (1873). R. 81-88. 223-241. p. (1876). (1909). 2011 . Erdkunde zu Berlin 4. particularly alginate (mainly lamalginite) and sporinite. Makki (1981). (IAGI). p.Verslag van een onderzoekingsreis in het rijk van Siak. (IAGI). R. Ward (2009). mostly covered by laterite.Elbert. cekungan Sumatera Utara.com Nov. Oost-Indie 5 (1876). (also in Jaarboek Mijnwezen NOI 1874. S Sumatra.Sequence stratigraphy of shallow-water deposits in the Sihapas Group.Onderzoek van Sumatra kolen en vergelijking van deze met andere koolsoorten. Depositional environments from fluvial to offshore marine/shelf. 2. F. J. Search and Discovery Article #50254. p. J. Mac (1996). Also oil seeps S of Bali-Bukit) Everwijn. Tijdschr. Ges. Indie 29. ('Investigation of Sumatra coals and comparison with other coal types') Everwijn. p. p. AAPG Hedberg Conference.0 28 www. Assoc.Structural geology of the Central Sumatra back-arc basin. N Sumatra basin') Fatimah & C. Indon. Kerumutan Line separates Pre-Tertiary oceanic and continental crust) Everwijn. Newly described type of fold. Assoc. Indie 21. (Key paper on C Sumatra back-arc basin and hydrocarbons by Caltex. Jakarta 2009. 3. Geol. ('Barrier bar' environment for the Lower Keutapang Fm sandstone. Conv. Zeitschr. 470-487. ('On new localities of coal in the Bengkulu province') Fahmi. 4. 10th Ann. Erb. less valuable than Borneo coals.und Roteisenerzvorkommen in Sud-Sumatra.vangorselslist. Five transgressive-regressive sequences identified in shallow-water Sihapas FM in NW part of C Sumatra Basin. SW-ward prograding sandy delta front/shoreface-belts) Fatchur. 206-230. Geol. & A. Int. p.. (1873). Dominance of lamalginite in liptinite components Bibliography of Indonesia Geology v. Irfani (1991). (Extended Abstract. Jaarboek Mijnwezen Nederl. (Significant oil shale deposits in Late Eocene. (‘Contributions to the geology and morphology of the southern West coast of Sumatra’.T.Onderzoek naar kolen in de Residentie Palembang.Magnet. dips up to 75°. Nederl. Basin with very high Temp gradient of 3. 17.38 °F/ 100ft.E Oligocene lacustrine shales of Sangkarewang Fm. Occurrence of iron ores in mica schist formation of Lampung. Organic matter in oil shales dominated by liptinite macerals. Deemed to be poor quality lignite. 203-219. 251-284. p.Mineralogy and organic petrology of oil shales in the Sangkarewang Formation. Zeitschr. Indië'. Sedimentology Congress.0 29 www. Res. G. 4. Nice 1975.vangorselslist. Oost-Indie (1885). 79-85. Jaarboek Mijnwezen Nederl. (1885). ('Report on the coal terrains around Bukit Sunur in the Bengkulu region'. W Sumatra) Fennema. Petrol. Biotic distributions controlled primarily by salinity and pH gradients. Kamal & R. A. p.55%. 10 p. P.. S Sumatra) Finger. Barisan mountain front.Analysis of sequence stratigraphy. 30th Ann.. 91-100. 225-237. Bibliography of Indonesia Geology v. (Investigator Fracture zone subducts beneath Toba caldera. 9th Int. 1. Proc. Oostkust van Sumatra. 21st Ann. Ged. (Depositional environments of E Miocene Bekasap Fm interpreted as fluvial delta plain to distal delta front or prodelta.4432-4460.com Nov. Indies government survey with some drilling in 1886 lead to the founding of the 'Koninklijke Maatschappij tot exploitatie van petroleumbronnen in Ned. Argakoesoemah (2007). Conv. 1. Admin. Indon. Wet.J. (On seismic recognition of thin Baturaja Fm buildups on Palembang High. northern Sumatra. p. 77. transcurrent faults. Kusnandar & Y. Minas Field. Proc. E coast of Sumatra'. Oost-Indie.Exploring shallow prospects in Iliran Basement High. no field location. Conv.66. South Sumatra Basin. (Basic paper. South Sumatra Basin. R.Y. IPA07-G-141.. & Sujatmiko (1975). lower than reflectance for coal from overlying Sawahlunto Fm (0.Existence d'une episode climatique aride a la base du Tertiaire de Sumatra. below Talang Akar Fm white quartz-rich sandstones) Fennema. McCaffrey.. and seal highest risk) Fitch. Rifai. Yanto (2005). Conv.A. ('Report on the occurrence of petroleum in the lower Langkat. Three exploration plays: crest-structure. Assoc. Techn. oil and gas seeps. Res. GN Field.Plate convergence.Topographische en geologische beschrijving van het Noordelijk gedeelte van het Gouvernement Sumatra's Westkust. 1890.Lateral variation in slab orientation beneath Toba caldera. (1890). 1887.Successful identification of thin carbonate on paleobasement high: special case in Palembang High. Assoc. 2011 . ('Topographic and geologic description of the northern part of the Sumatra West Coast province') Fennema. Geophys. p. Y. Ged. and internal deformation adjacent to Southeast Asia and the western Pacific. Algal abundance associated with carbonate deposition) Fauzi. 1-13. T. 5. Proc. Prih Haryadi & Sunarjo (1996). Indon. R. Prospects all < 2500’.Verslag van het onderzoek van het kolenterrein rondom den Boekit Soenoer. p. Techn. p. down-flank. Iliran High remained high since Late Oligocene and focal point for hydrocarbon migration since Late Miocene. not real field name ?) Feriyanto. Geophys.Microfossils as indicators of deltaic subenvironments. in de Ommelanden van Benkoelen. Kamil. p.M. p.Conv. & W. 2. Central Sumatra. A. Yudho. ('Existence of a dry climate period at the base of the Tertiary of Sumatra'.37% and 0. Down flank discoveries W Iliran and S Tabuan in 1980s. D. Indon. when heavy oil was produced from shallow wells around asphalt. J.suggests material is lamosite. Petrol. Association of large coastal foraminifera with minute deeper water forms implies shoreward transport of latter and supports concept of tide-dominated Bekasap delta) Firmansyah D. Vitrinite reflectance between 0. 31st Ann. Ged.. and fractured basement. Lemat Formation to Gumai Formation. 1. K. 443-446. Proc. Faceted sand-blasted pebbles from basal Tertiary conglomerate near Murobungo. C Sumatra. Wark. Petrol. (Hydrocarbon exploration in Iliran High region since early 1900s. suggesting relationship to volcanism) Fediaevsky. Drugg (1992). Petrol. Oost-Indie.M. Jaarboek Mijnwezen Nederl. Sunardi & Ismawan (2003). A. (1887). S. 129-252. which became 'Royal Dutch/ Shell') Ferdyanto. F.I. few specifics.68%). 29th Ann. PlioPleistocene tectonics resulted in tilting to SW. p..L. Assoc. R.S. South Sumatra Basin. p. R. 1. Assoc. Lett.. R.Rapport over het voorkomen van petroleum in Beneden-Langkat. Jaarboek Mijnwezen Nederl. (1972). E. Indon. Proc. 23. 10-91. Guangzhou. H.Uber Oberkarbonische Faunen aus Ost und Sudasien. (Incl. including foram genus Shanita at depth 2630’. In: H. p. p. & L. (1986). G. 2011 . In: The Pre-Tertiary fossils of Sumatra and their environments.vangorselslist. Gafoer (eds. H. 149-165. Muara Liso. p. CCOP Techn. (First record of E Permian corals from Sumatra. ('On Upper Carboniferous faunas from East and South Asia.Guguk Bulat. p. also Verbeekina). Centre. Peninsular Malaysia and Thailand. Petrol. (1990). H. Publ. Bandung. photomicrographs of Permian foram-algal grainstones-packstones and oolitic limestone from Jambi Province) Fontaine.Lower Carboniferous corals. Batu Impi). paleogeography. (Rugose and large tabulate corals from two Lower Permian localities along Mesumai River. Beauvais (1985). West Sumatra.) The Pre-Tertiary fossils of Sumatra and their environments. Mainly solitary Rugosa (Zaphrentites) and compound Rugosa (Siphodendron). Assoc.. bedded M Permian limestone rich in corals (including massive tetracorallia of Waagenophyllidae family). Paramananthan (eds. Gafoer (eds. Paleont. H. Indonesia.S. GEOSEA V Conf. Indon. In: H. Paper 19. Upper Carboniferous of Padang') Fontaine. 41-44. Jambi Province) Fontaine.) Ten years of CCOP Research on the Pre-Tertiary of East Asia. in Jambi Province (Pulau Apat. oil wells. 2-3. H.) Proc. Indonesia. Lower Permian sediments well developed in upper Mesumai River area and represent forested volcanic arc surrounded by shallow sea) Fontaine. radiometric dating. p.Lower Permian corals of Sumatra. fossil localities. Classic locality 3.12-17. 1. and similar to those from mainland SE Asia) Fontaine. 1-31. In: H. (1989). In: H.Middle Permian corals of Sumatra.2740’) Fontaine. Paper 19. Geol. 22nd CCOP Session. In: G. G. p. Res. Ser. M. & Yarmanto (1993). I. Gafoer (eds.5 km NE of Singkarak Lake in Padang Highlands of ~150m thick grey. 1. Batu Gajah. Soc. 4. Bangkok. (1901). Fontaine & S.. Limestone not metamorphosed. but some local recrystallization near ?Triassic granite intrusions) Fontaine. a very famous Permian limestone locality of Sumatra. 4.Microfacies of a few Permian limestones of Sumatra. Bangkok. p. United Nations CCOP Techn.. Faunas many similarities with M Permian rocks on SE Asia mainland.Pre-Tertiary limestones found at the bottom of wells drilled in Malacca Straits.Ombilin Basin. H. 95-98.Post-Convention fieldtrip 1993. Malaysia Bull.. 4. 43-54. (1986). H. Dev. Bibliography of Indonesia Geology v. (Reprint of 1982 paper in CCOP Newsletter. 20..Some Permian corals from the Highlands of Padang. CCOP Newsl. CCOP Techn. p. tubular sponges.Fletcher. No massive Rugosa found) Fontaine. 148-157. Paper 19. (M Permian tabulate and rugose corals from three localities. H. (4 wells: Singa Besar-1 well with Permian fossils.) The Pre-Tertiary fossils of Sumatra and their environments. 71 p.Discovery of Lower Permian corals in Sumatra. Coral faunas include Wentzelloides.Stratigraphic units. Guguk Bulat rich and massive tetracorallia colonies and is reefal facies) Fontaine. Bull. Fliegel. Asiah & S. (1983). Publ. Fontaine & S. (1989).Sanatul (1992). 18.H. Fontaine (ed. Geol. 91-136.) The Pre-Tertiary fossils of Sumatra and their environments. (Corals present but not prolific in Lower Carboniferous limestones of N and C Sumatra. Palaeontographica 48. Bangkok. algae and occasional fusulinids (type locality of Sumatrina. CCOP Techn. p.0 30 www. CCOP Techn. 17. Sumatra. Fontaine & S. Teh & S. p. (1989).H.183-191. Kuala Lumpur 1984. etc.com Nov. (Middle Permian reefal limestone from Guguk Bulat and Silungkang areas E of Singkarak lake. C Sumatra. 19. Oberkarbonische Fauna von Padang. Associated with M-L Asselian Pseudoschwagerina zone fusulinids. H. Fontaine, H. & S. Gafoer (eds.) (1989)- The pre-Tertiary fossils of Sumatra and their environments. Comm. Coord. Joint Prosp. Mineral Res. Asian Offshore Areas (CCOP), Techn. Publ. TP 19, Bangkok, 356 p. (Main localities: Aceh area, Tapaktuan, Sungai Alas, Rantauprapat, Sibaganding near Lake Toba, Sawahlunto, Agam River, Kuantan Go) Fontaine, H. & S. Gafoer (1989)- Pre-Carboniferous rocks. In: H. Fontaine & S. Gafoer (eds.) The Pre-Tertiary fossils of Sumatra and their environments, CCOP Techn. Publ. TP 19, Bangkok, p. 15-17. (Pre-Carboniferous ages postulated for low-metamorphic sediments wells in C Sumatra and for metamorphics in Lampung, S Sumatra (possibly Archean; Umbgrove 1938)) Fontaine, H. & S. Gafoer (1989)- The Carboniferous. In: H. Fontaine & S. Gafoer (eds.) The Pre-Tertiary fossils of Sumatra and their environments, CCOP Techn. Publ. TP 19, Bangkok, p. 19-29. (Carboniferous rel. widespread in N Sumatra and correlate with Carboniferous of westerm Malay Peninsula. Kuantan Fm shows affinities with Carboniferous of eastern Malay Peninsula. N Sumatra Bohorok Fm contains pebbly mudstones, of possible glacial origin. Lower Carboniferous limestones with cosmopolitan foram faunas) Fontaine, H. & S. Gafoer (1989)- The Lower Permian. In: H. Fontaine & S. Gafoer (eds.) The Pre-Tertiary fossils of Sumatra and their environments, CCOP Techn. Publ. TP 19, Bangkok, p. 47-51. (Lower Permian of Merangin River area W of Bangko, Jambi Province, well known since 1930's for its Cathaysian 'Jambi Flora' in Mengkarang Fm. Associated with limestones with fusulinids, incl Monodiexodina wanneri. This E Permian flora and fauna similarities with C Euroe; nothing similar in Australia) Fontaine, H. & S. Gafoer (1989)- The Middle Permian. In: H. Fontaine & S. Gafoer (eds.) The Pre-Tertiary fossils of Sumatra and their environments, CCOP Techn. Publ. TP 19, Bangkok, p. 99-112. (Middle Permian of Padang Highlands well-known since early 1900's. Also at Bukit Pendopo, S Sumatra and in N Sumatra. Volcanics common, associated with fusulinid limestones) Fontaine, H. & S. Gafoer (1989)- Upper Permian- Lower Triassic. In: H. Fontaine & S. Gafoer (eds.) The PreTertiary fossils of Sumatra and their environments, CCOP Techn. Publ. TP 19, Bangkok, p. 167. (Upper Permian not established with certainty on Sumatra. Lower Triassic also absent or rare) Fontaine, H. & S. Gafoer (1989)- Triassic. In: H. Fontaine & S. Gafoer (eds.) The Pre-Tertiary fossils of Sumatra and their environments, CCOP Techn. Publ. TP 19, Bangkok, p. 169-177. (Late Triassic sediments known from N Sumatra since 1899. Also present in Padang Highlands, Lake Toba area, Bangka and Belitung (Norian), etc. Deep water Mutus assemblage in oilwells in Pakanbaru area, C Sumatra) Fontaine, H. & S. Gafoer (1989)- The Jurassic. In: H. Fontaine & S. Gafoer (eds.) The Pre-Tertiary fossils of Sumatra and their environments, CCOP Techn. Publ. TP 19, Bangkok, p. 207- 225. (Overview of Jurassic localities in N, C and S Sumatra.Almost 30 formations identified. Mainly shallow marine shelf deposits) Fontaine, H., S. Gafoer & Suharsono (1990)- Well-dated horizons of the pre-Tertiary of Sumatra. In: H. Fontaine (ed.) Ten years of CCOP research on the Pre-Tertiary of East Asia, CCOP Techn. Publ. 20, p. 55-58. (Reprint of 1988 paper in CCOP Newslett. 13, 2, p. 26-30. Table of occurrences of fossiliferous Lower Carboniferous, Permian, Triassic, Jurassic and Cretaceous outcrops on Sumatra) Fontaine, H. & D. Vachard (1981)- A note on the discovery of Lower Carboniferous (Middle Visean) in Central Sumatra. CCOP Newslett. 8, 1, p. 14-18. (Lower Carboniferous limestones with M Visean foraminifera in Agam River, E of Bukit Tinggi along road to Payakumbuh. Lower Carboniferous limestones rel. poor in fossils and darker than associated Permian fusulinid limestone. Have not undergone regional metamorphism, just local contact metamorphism around igneous intrusions) Bibliography of Indonesia Geology v. 4.0 31 www.vangorselslist.com Nov. 2011 Fontaine, H. & D. Vachard (1990)- A note on the discovery of Lower Carboniferous (Middle Visean) in Central Sumatra. CCOP Techn. Publ. 20, p. 35-41. (Reprint of paper above) Fontaine, H. & D. Vachard (1984)- New palaeontological data on the Upper Paleozoic of Sumatra. Mem. Soc. Geol. France, n.s., 147, p. 49-54. (Lower Carboniferous corals in Padang Highlands may be considered part of Chinese province. Early Permian volcanics, clastics and limestone with fusulinids in Jambi Province; no evidence of glaciations) Fontaine, H. & D. Vachard (1986)- Study of Permian samples collected from Sumatra. CCOP Techn. Bull. 18, p. 112-116. (Brief review of five Permian limestone localities in Jambi Province, one Asselian, others Murgabian in age) Ford, C. (1985)- Tales from the files: an historical perspective of oil exploration in Sumatra. Proc. 14th Ann. Conv. Indon. Petrol. Assoc., p. 401-403. Franke, D., M. Schnabel, S. Ladage, D.R. Tappin, S. Neben, Y.S. Djajadihardja, C. Muller, H. Kopp & C. Gaedicke (2008)- The great Sumatra-Andaman earthquakes-imaging the boundary between the ruptures of the great 2004 and 2005 earthquakes. Earth Planet Sci Lett 269, p. 118-130. (Ridge on subducting Indo-Australian oceanic crust may exert control on margin segmentation. Ridge masked by sediment; most likely trend NNE–SSW. Interpreted as fracture zone on subducting oceanic plate) Frech, F. & O.E. Meyer (1922)- Mitteljurassische Bivalven von Sungi Temalang im Schieferbarissan (Residentschaft Djambi). Verhand. Geol. Mijnbouwk. Gen. Nederl. Kol., Geol. Ser. 5, 5. p. 223-229. ('Middle Jurassic bivalves from Sungei Temalang, Jambi, in the ‘Schieferbarisan’. Small bivalve fauna of probable M Jurassic age collected by Tobler in isoclinally folded phyllitic rocks in tributary of Limun River in S part of Jambi Residency. With Astarte, spp., Opis and Cypricardia. Ammonites-belemnites absent) Frijling, H. (1928)- Geologisch-mijnbouwkundig onderzoek in den omtrek van de Asahan- and Koealoe rivieren (Toba landen, Oost Sumatra). Jaarboek Mijnwezen Nederl.-Indie 54 (1925), Verhand. 2, p. 153-173. (‘Geological-mining investigation around the Asahan and Kualu rivers, Toba Lands, E Sumatra’. Primarily an investigation of folded Triassic limestones, unconformably overlain by Eocene conglomerates and coaly beds) Fuse, A., K. Tsukada, W. Kato, H. Honda, A. Sulaeman, S. Troyer, L. Wamsteeker, M. Abdullah, R.C. Davies & P. Lunt (1996)- Hydrocarbon kitchen and migration assessment of North Aceh Offshore Basin, North Sumatra, Indonesia from views of sequence stratigraphy and organic geochemistry. Proc. 25th Ann. Conv. Indon. Petrol. Assoc. 1, p. 15-28. (Hydrocarbon generation and migration pathways evaluated for the deep-water N Aceh Offshore Basin. Best source-rock is the transgressive marine Bampo mudstone (P21 to N4), which is primarily gas-prone. Migration pathway map defined three migration fairways from the North Lho Sukon Deep to its peripheries) Gafoer, S. (2002)- Stratigrafi dan mintakat Pra-Tersier di Sumatra bagian selatan. J. Geol. Sumberdaya Min. 12, 121, p. 2- . ('Stratigraphy and Pre-Tertiary in South Sumatra') Gafoer, S. & T.C. Amin (1993)- Tinjauan kembali geologi Pra-Tersier daerah Garba, Sumatera Selatan. Bull. Geol. Res. Dev. Centre 16, p. 17-26. (New geologic observations in the pre-Tertiary area of Garba, S Sumatra. Oldest rocks are low-grade metamorphics of possible Carboniferous age. Tectonically juxtaposed against Late Jurassic- E Cretaceous volcanic rocks and chert of possible oceanic affinity in E Cretaceous (mélange complex). Both rock types intruded by Late Cretaceous granites; 116-80 Ma) Gafoer S., T.C. Amin & R. Pardede (1992)- Geological map of the Bengkulu Quadrangle, Sumatra, 1: 250,000. Geol. Res. Dev. Centre, Bandung. Bibliography of Indonesia Geology v. 4.0 32 www.vangorselslist.com Nov. 2011 Gafoer S., T.C. Amin & R. Pardede (1994)- Geological map of the Baturaja Quadrangle, Sumatra. Geol. Res. Dev. Centre, Bandung. Gafoer, S., G. Burhan & J. Purnomo (1986)- The geology of the Palembang Quadrangle, Sumatra (Quadrangle 1013), 1:250,000. Geol. Res. Dev. Centre, Bandung, 18 p. + map Gafoer, S., T. Cobrie & J. Purnomo (1986)- The geology of the Lahat Quadrangle, Sumatra (Quadrangle 1012), 1:250,000. Geol. Res. Dev. Centre, Bandung, 25 p. + map Gafoer, S. & K.D. Kusumah (2002)- Cekungan batubara paleogen daerah Pangkalan Kotabaru dan sekitarnya, Sumatra Barat-Riau. J. Geol. Sumberdaya Min. 12, 129, p. 2('Paleogene coal basins in the area of Pangkalan Kotabaru and surroundings, Sumatra West Riau') Gafoer, S., K.D. Kusumah & N. Suryono (2001)- Kegiatan tektonik Tersier: hubunannya dengan pembentukan cekungan dan akumulasi batubara di sub-cekungan Jambi bagian Barat. Geol. Res. Dev. Centre, Bandung, Spec. Publ. 26, p. 73-97. (‘Relations between Tertiary tectonics and coal deposits in W Jambi sub-basin, S Sumatra’) Gafoer, S. & M.M. Purbo-Hadiwidjoyo (1986)- The geology of Southern Sumatra and its bearing on the occurrence of mineral deposits. Bull. Geol. Res. Dev. Centre, Bandung, 12, p. 15-30. (Oldest rocks in S Sumatra locally metamorphosed Carboniferous and Permian sediments. Silurian- Devonian granites known from two wells. Also Permian volcanics, unconformably overlain by Triassic clastics. Late Triassic tin-granites on Bangka-Belitung. Flysch-type U Jurassic- Lw Cretaceous. M-Late Cretaceous granites and Kikim Tuffs. Widespread Late Oligocene- earliest Miocene ‘Old Andesite’ along Barisan Range ) Gasparon, M. (1994)- Origin and evolution of mafic volcanics of Sumatra (Indonesia): their mantle sources, and the role of subducted oceanic sediments and crustal contamination. Ph.D. Thesis, Univ. of Tasmania, p. Gasparon, M. (2005)- Quaternary volcanicity. 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Banda Aceh embayment is extruded to NW at 5 mm/yr. N part of back arc basin is part of rigid Sunda Shelf, while N forearc is subjected to extension nearly parallel to arc Gibbons, A. J.M. Whittaker & P. Muller (2010)- Revisiting the magnetic anomalies along the West Australian margin identifies a new continental fragment that accreted to Sumatra during the Early Eocene. American Geophysical Union, Fall Meeting 2010, Abstract #T13C-2223. (Abstract only) (Reconstruction of abyssal plains along W Australian margin reveals that, apart from Greater India and Argoland, a third continental block (Gascoyneland) must also have rifted from Australia since Jurassic. From 132 Ma it formed the stretched continental crust of Exmouth Plateau and then oceanic crust of Gascoyne and Cuvier abyssal plains. At 115 Ma Gascoyneland began moving N while Greater India continued W. 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(2006).43% (immature). dan diagenesis Formasi Lakat di lereng timur laut dengan Formasi Talangakar di tenggara Pegunungan Tigapuluh. Villarroel (1989). Petrol. p.vangorselslist. p. R. Riau. Heryanto. like Pretertiary of GumaiGarba Mts) Heryanto. M-L Miocene Lemau Fm alternating claystone and sandstone with coal seams. (GRDC) 14. ('Relation between vitrinite reflectance.Organic petrology and Rock-Eval characteristics in selected surficial sampes of the Tertiary formation. -133. Sandstone feldspatic litharenite and litharenite. R. 67-71. p. Geol.Hubungan antara reflektan vitrinit. diagenesis and hydrocarbon maturation. Central Sumatera. (Sedimentology of Oligocene Lakat.Hydrocarbon source rock potential of the Eocene. (Majority of Indonesian coal in S Sumatra Basin (>70% of low-rank coal). Sumber Daya Geol. & T. Sumber Daya Geol. p. 2011 . Jambi sub-basin') Heryanto. Sumber Daya Geol. J. & H. 58-70. Indonesia 4. H.S. R. Jurnal Sumber Daya Geol. Publ. 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Centre. p.Tight carbonate platform: a new opportunity reservoir in Musi Platform a case study of Naya F4 well. E. F. Asrul.vangorselslist. Block. R. map looks like Soka field. Schreckenberger (2001). (Source rock potential of Tigapuluh Mts. In: Proc. 2.. 247-259. H. 99-111. Iswachyono (2010). Conv. N. but tight platform carbonate in 2008 Naya F4 well at NE flank of 'Naya field' buildup. sub-cekungan Jambi. Djajadihardja. R. 26. Jurnal Geol. p. Source rocks fine grained clastics in Late Eocene Kelesa and Oligocene Lakat Fms. Kusamah (2001).Sedimentasi batuan pembawa-batubara Formasi Talang Akar di daerah Lubuk Madrasah. 30th Ann. Petrol. Publ. R. Joan C. (Online at http://www. (On the E Miocene fluvio-deltaic coal-bearing Talang Akar Fm in W part Jambi basin) Heryanto. M-L Miocene Lemau Fm. M.P. (2007). Lakat Fm late immature. (IAGI) and 10th GEOSEA Reg. Repts. unconformably overlain by Oligo Miocene Hulusimpang Fm volcanics. p. Indon. 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(Early geographic-geological survey of N Sumatra coastal region) Hirschi. Proc. followed by inversion structures and cross-cut by latter extensional structurs. Discrepancy may be due to (1) difference between Holocene and late Quaternary rates and (2) additional slip on other faults. (IAGI).grade coal by young andesite intrusions at several localities. Bibliography of Indonesia Geology v. Sudarman (1993). 32. CCOP. Aardr.S. South Sumatera Basin. Gunderson (2004). sudlich Muara Enim. Gen. 2. (1916).Geologische Reiseskizze durch das Aquatoriale Sumatra. S of Muara Enim. van Eykenhof et al. van Gerven.(Free air gravity anomaly maps of forearc of SW Sumatra. (Kotabatak Field in C Sumatra 1952 discovery.8-0. Dense well control. Indon. all formed during continuous strike-slip deformation. B. Residenz Palembang. Geothermics 22. 33. Dobson.H. (Sarulla graben Plio-Pleistocene basin along Sumatra fault. Hopong caldera (~1. Tijdschr.W Java and Sunda Straits and comparison with satellite gravity. Ned. Kon.F.3 Ma).Combined geostatistical inversion and simultaneous AVA inversion: extending the life of a mature area. Area dominated by NWSE and NE-SW trending basement structures. p.com Nov. (1915). H.A. As already described by Tobler (1906) Miocene Middle Palembang Fm lignites altered into high. Maximum extension in NW-SE direction and shortening in NNE-SSW direction) Hong. 2011 . Geol. Bangkok 1980. I..P. produced >250 MMBO since 1971. typically unfossiliferous except for plants) Hochstein M.5 Ma). (Reconstruction of faults around Jabung Field. 3. (‘Geological travels through Equatorial Sumatra’) Hirschi. Hoehn.D. p. p. p. p. Z. Proc. Aardr. 20p. F. Conv.Geographisch-geologische Skizze vom Nordrand von Sumatra. Kon.Malacca Strait survey 1979.G. 16th Ann. Schmidt & A..C. Welch. 30th Ann. Geothermal systems linked to faults and volcanoes) Hinton. (2005). 741-763. Kotabatak Field. Proc. Hadiana (2010). Nederl. H.Bukit Gendi and Ayer Milang. Petrol. 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Conv. Sidi. Indon. Jambi Basin. 39th Ann. Carbonate Seminar. Geol. Eocene sedimentation controlled by normal faults.. 42-60.Tertiary sedimentology and stratigraphy of the Ombilin intramontane basin. porosity mainly moldic and vugular) Hovig. N Sumatra. Fraser. Publ. Murphy (eds) Petroleum Geology of Southeast Asia. Indon.J. Oligocene sedimentation dominated by fluvial deposition at time of active volcanism and strike-slip faulting. Mid-Oligocene unconformity truncates basement high and signifies possible change in tectonic Bibliography of Indonesia Geology v. (Sumatra Tertiary basins evolution related to oblique subduction and indentation from Indo-Australian and Eurasian plates collision.0 45 www. (1997).com Nov. 2011 . A. C Sumatra. (‘The gold ores of the Lebong area. Natuurk. NNW-SSE trending. A.Structural and stratigraphic evolution of the southwest Sumatran Bengkulu shelf. Entire reef complex recrystallized and diagenetically altered.Contactmetamorphe ijzerertsafzettingen in Nederlandsch-Indie. ‘B’ Block.Sc. 365-374.De beteekenis der Zuid-Sumatrasche antiklinalen.R. Area of reef complex 6 x 20 km. Large domal structure identified by shallow corehole drilling and seismic. Proc. 71-103. & C.early M Miocene (Lower Tf) carbonate. 87-276. Similar genetic origin to C and S Sumatra Basins is suggested) Howles. Grabens control lacustrine source-rock distribution.C.The discovery of Indonesia's Minas oilfield. Howells. indicating modification of initial basin style by strike slip along Sumatra Fault Zone. M. Kol. p. Petrol. Tijdschr. Indonesia . Assoc. R.H. 233-242. not strike-slip. p. E Miocene dominated by marine deposits and thermal subsidence. 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P.new ideas for hydrocarbon exploration. thickness up to 1200'.000’ sediment under Bengkulu shelf interpreted to be continuation of S Sumatran graben system. 126.C.Tertiary response to oblique subduction and indentation in Sumatra. With detail maps of the 8 principal gold mines. J. Waxy low-sulfur crude. Verhand. with coarsening-up character accentuates steam gravity override. Ser. (Description of large Arun gas-condensate field in large reefal buildup of late Early. Ombilin Basin three-fold evolution. Geol. Bar sands. Reprint from Oil. N of Pekanbaru. (Caltex Minas field.. producing since 1952) Houpt. and not attractive. ('Contact-metamorphic iron ore deposits in Netherlands Indies'. southwest Sumatra. Nederl. 1-11. Geol. (1986). (1917). 215-243.lifestream of progress. 5.G. p. West Sumatra. p. In: A. Howles. (1984). (Paleogene basin with > 10. mainly from Sumatra) Howells. With Sihapas Gp paleogeography map) Hopper. Rift-sag geometry with plate-margin parallel sag basins over N-S-oriented grabens. Jaarboek Mijnwezen Nederl.G. Indie 77. which retard steam gravity override and result in good vertical sweep. Matthews & R. Discovery well drilled in 1944 by Japanese occupation army on site selected and prepared by Caltex in 1942. (1976). Proc.C. 1-94. 1. (1917). North Sumatra. Indon. Ph.D. Caltex Petroleum Corporation. 15th Ann.De goudertsen van de Lebongstreek (Benkoelen). Gen.J. Soc. C and S Sumatra Basins not local pull-apart related to Sumatra Fault Zone. p. Oost-Indie 41 (1912). S. 3. (1914). Bengkulu’. p. Jakarta 1976. p. Includes first description of truscottite (Ca-zeolite) from Lebong Donok mine in Bengkulu district) Hovig. Verhand. Nederl. II. 26th Ann. 7 p.M. (Exploitation of thin (25’-40’) oil rim below thick gas cap in Gunung Kembang field challenging. Assoc.Recovery optimization strategy for thin oil column reservoir with large gas cap: case study of Gunung Kembang Field. 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(S Sumatra Raja field 1940 discovery in Late Oligocene. Mertani. ('Development of the Benakat field. Telisa shales acts as top seal. (J. p.Pengembangan lapangan Benakat: suatu perangkap stratigrafi.Pewatasan lapisan waduk Formasi Tualang. Kaji 1 and Sembada 1 wells proved to be part of single large oil pool with recoverable reserves of ~200 MMBO. Qivayanti & M.M. facies change of Baturaja carbonates acts as lateral seal) Hutapea. S Sumatra) Hutapea. (1994). P. Indon. Oil below structural spill points. Setiawan & R. (1981).What makes Kaji-Semoga field so big? In: F. Conv. South Sumatra. p. Geol. T. O. Restoring ~150 km offset along Sumatran fault causes graben to line up with S Sumatra Benakat Gully. 4.. A. 1-5. Handayani (2008). di Merbau. Proc. Geol. (IAGI).. Geology 12.Sunda Strait and central Sumatra fault. 668. 10th Ann. Heidrick.. O. Erosion of Barisan Mountains generated Plio-Pleistocene deltaic/slope deposits which prograde onto E flank of Sumatran forearc basin) Huchon. Indon. Good quality reef-related carbonate reservoir. 10th Ann. 33. D. (IAGI) 3. 681-692. SPE Asia Pacific Oil & Gas Conf. O. Clay Minerals 29.The prolific Talang Akar Formation in Raja Field South Sumatra.Correlation and migration studies of North Central Sumatra oils. (1978).shallow marine Talang Akar Sst) Hutapea. al.vangorselslist. Aimar. Proc. In Rimau Block only Talang Akar Fm had been productive. p. Oil recovery expected to rise to ~ 8% while gas is being delivered) Humphreys B. Afandi. Switch of rapid subsidence from E side of basement high to W side with initiation of Sumatran forearc. 1. Indonesia. (Semoga. Perth 2008. (Right-lateral Central Sumatra fault accommodates oblique subduction and terminates in SE at extensional zone of Sunda Strait) Hudya. 4. J. 222-229. p. O. Giant field and new exploration concepts seminar. Indon. Setiawan (eds. Indon. Indon. (1976). Conv. p. Le Pichon (1984). Hutapea. Proc. Horizontal oil wells in upper oil rim near gas oil contact best strategy for depletion of oil rim. Organic Geochem.E Miocene deltaic. Kaji and Sembada first E Miocene Baturaja carbonates discoveries on Palembang High and with stratigraphic trapping components.W. 37-43.com Nov. R. some stratigraphic traps'.0 46 www. p. Assoc.stratigraphic controls. Indon.. Li (2000). Petrol.J. Geol. B. Riau.H.configuration of region. (2002).) Proc. Jakarta 2002. & X. Conv. M Miocene Parigi carbonate between fine clasticts and younger deltaic regressive sequence. Proc. Right-lateral slip along Sumatran fault began in M Miocene. 1. Geol. Indon. 313-326.The Semoga.D. and 4 for Quaternary. InauguralDissertation. Area of oblique subduction with two large strike-slip faults parallel to subduction trench. Tualang and Telisa Fms. Sudsumatra. (New seismic in Sumatra margin fore-arc. Lassi and Lolo. 109-124. p. tied to subtle differences in source facies) Icke. Biomarker and carbon isotopic data from producing fields indicate oils quite similar geochemically but several genetic groups.Over Tertiaire en Kwartaire vormingen van het eiland Nias. Terminated by structural inversion of Binio Event in M Miocene and Barisan Mts uplift at 13 Ma.15. van Konijnenburg-van Cittert (2006).4 Rm% (subbituminous) in uninfluenced area to 2. pour point 115°F). Geol. 103-117. Widespread Paleogene uplift and erosion followed by Miocene subsidence. J. Proc. p. Proc. Izart. Leiden (1) 8. H. (3) Petani Synthem: M Miocene.Seismic stratigraphy and subsidence evolution of the northwest Sumatra fore-arc basin Marine Geol. Sumatra') Indranadi.A.M Miocene post-rift. Thermal influence on Miocene coal seams up to few 100m away from E Pleistocene igneous intrusion. Local variations in sediment thickness indicate tectonics prevail over eustacy) Jacobs. Imtihanah (2005). ( 1994).Pecopterids from the Lower Permian of Jambi Sumatra. 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(2) Sihapas Synthem: Late Oligocene.8 Ma (M-L Miocene)) Indarto. 1076-1085.M. Samml.Pliocene of C Sumatra: (1) Kelesa Synthem: Late Eocene-Oligocene synrift sequence. In Pliocene-Quaternary fore-arc basin segmented into several sub-basins (Aceh. ReichsMus. p. Binio Event local unconformity.. Sulit Air.A. 1-120. Thesis. S.vangorselslist.(Tertiary lacustrine shale. 65-76. ('Thermal metamorphism in the Bukit Asam coal deposit. ('Coal quality viewed from geological conditions and proximity analysis in the Bengkulu Province. producing sequence 3 for Pliocene. Coal rank increases from 0. London University. equivalent with Lakat. E. South Sumatra. (Three granitoid plutons studied. (IAGI). Indonesien. Mainly description of molluscs. Joint 36th HAGI and 40th IAGI Ann. 4. Downhole blending with low pour point crude allows production of refinery ready product) Bibliography of Indonesia Geology v. Indon.B. 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Diagenetic reactions creating porosity far outweigh depositional controls on porosity distribution) Jordan. & E. Nederl. Extended Abstract. Assoc. Bandung 40. Springer Verlag. (1988). Overall trend transgressive and capped by marine shales) Johari. sandy foram grainstones and cross-bedded glauconitic sands. p.A.. Hutchison (ed. p.F. with initial dry gas in place of >16 TCF. Techn. western Sumatra. In: A. 409-428. & M. (1961). 71-201. Lomando & P. B. (Arun largest gas field in N Sumatra basin. Ser.Stochastic modeling at Kotabatak Field. 27th Ann. 59. p. A. producing from 1100' thick E-M Miocene reefal carbonate buildup.P. Verhand. J. Geol. Assoc. Indon. and confirmed Cathaysian affinity) Jordan. Central Sumatra.H. shallow gas plays) Jobson.searchanddiscovery. W. & M.Die Ergebnisse der paläobotanischen Djambi-Expedition 1925.Jackson. SEPM Core Workshop 12. Interpreted here as Upper Carboniferous age. (Kotabatak oil field modeling. 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Area around discontinuity low gravity anomaly with higher anomaly in center. p.K. Surface oil and gas seeps and thermogenic hydrocarbons (incl. volcanic line offset and major changes to strike of Batee fault and Batee trench. producing marginal re-entrants that became sites of turbidite-filled basins behind growing Neogene accretionary prism. Ramba 1 with 57m reefal limestone.Pliocene stratigraphy of S Sumatra basin) Kamili. Calvett. Conv. 2nd Ann. Lawrence.Neogene planktonic foraminiferal biostratigraphy of Central Sumatra Basin. Assoc. Assoc. Naim (1973). South Sumatra. 77-91. (Pasemeh Block is small intra-montane basin near Pageralam in Barisan Mts. Corridor Block. indicating low density body of mantle material intruded by higher density igneous material in center. Moore & J.Contribution to the Pre-Baong stratigraphy of North Sumatra. Indonesia. Maxwell & J. p. Ph. high-CO2 gas) in first exploration well Ruas-1 suggest working petroleum system in Muara Dua area in SE of block. M. London. Quality of seismic data poor. Petrol. p. Conv. L.. 1. 27th Ann. (1989). Preece & J.D. Tanjung Laban 1 has 63m limestone. 49-63. R. Indon. Sosromihardjo & C. 13th Ann.. Phelps (2008). Larger re-entrants may be floored with oceanic crust. (IAGI).A. & A. J. J.R. (Sumatra fore-arc basin subsiding trough between rising subduction complex and elevated continental core. (2000). average porosity 19%. Proc. Achmad.C.M Miocene planktonic foram zones in C Sumatra subsurface.H.. Thrusting and folding related to subduction probably decreased gradually upslope until LatePliocene. H. Up to 4 km of Miocene-Recent on E flank of basin over unconformity cut across Paleogene continental margin that was uplifted and disrupted in Late Oligocene.. M. Indon. A. Bibliography of Indonesia Geology v.Sumatra.V. J. J.Geodynamics of the north Sumatra fore arc as caused by oblique subduction: results of the Sumenta expedition of R. 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A -30 mGal free-air low over forearc basin modeled best if preMiocene mélange or continental crust underlies basin) Kieckhefer. Priono (2010). Res. (2) decrease during sag phase (25. 85. 1. Sarginson. Conv.25 Ma). Sofia. Sumatra.M.Seismic stratigraphy of the Baong and Keutapang Formations. Petrol. W. Morley.S. Singapore. An 80 mGal rise may be near-surface body of high-density material (oceanic crust?). Assoc.0 Ma). 7003-7012.F. This slab may be exposed on SW coast of Nias.Penelitian seismotektonik Teluk Lampung dan sekitarnya. G. R. A.vangorselslist. 4.. SEAPEX Proc. C. Shor. E of Lake Singkarak. House Bulgarian Acad. Sci. Sugiarta & F. Springer-Verlag. 2011 . (Descriptions of igneous rocks of Sibumbum Mountains. Indon. Noeradi. Katz (ed.J. Res. p. Kimpe.A. B.5. 34.. In: Problems of ore deposition 2. B. Conv. IPA10-G-147. G.0 52 www.M. 1.20 Ma). Mertani & H. migration and accumulation in the North Sumatra Basin. C. located in Palaeogene half grabens. E. Sapiie & A. 283-308. 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(‘Preliminary communication on the geology of the eastern shore of Lake Toba. 355-382. Trilobite subsequently determined to be Permian in age by Tesch. Oldest severely biodegraded and probably expelled from syn-rift E Oligocene Bampo Fm. (1918). R.C. & T. Conv. with 1:200. Natuurk. Assoc. Tamiang District. Bibliography of Indonesia Geology v. (Ombilin basin asymmetric intermontane basin. 1. Three separate phases of delta progradation. M. & H.Mesozoic unconformity along NE shore lake Toba. Proc. J. 1632-1636. Nederl.0 53 www. and Halobia kwaluana) Koesoemadinata. N Sumatra. 1916) Klein. Two amphibolebiotite granite massifs intruded into highly folded Paleozoic limestones and slates.vangorselslist.D.. (also 1955 Leidsche Geol. Amsterdam.On a trilobite fauna of presumably Devonian age in the Dutch East Indies near Kaloee. Matasak (1981).H. Trilobite probably of genus Proetus.) 111. Japan. corals and crinoids. palaeomagnetism. W. Jaarboek Mijnwezen Nederl.L. Paleogene ~2600 m thick. Paleocene Sangkarewang Fm lacustrine shales with fish fossils. Th. p.. N Sumatra’. (1985). Masatani (1968). p. B. Verh.Stratigraphy and sedimentation: Ombilin Basin.-Indie 77. p. T. Madjalah Ilmu Alam untuk Indonesia (Indon. 14th Ann.folded ?Eocene quartz sandstones. (online at: http://www. p.knaw. Indonesia.C. weakly folded limestone-shale succession. 2.De Oostoever van het Toba-meer in Noord-Sumatra. W. folded in E part. 39. Wetensch. overlain by little. West Sumatra.Oil geochemistry: a clue to the hydrocarbon history and prospectivity of the southeastern North Sumatra Basin.nl/DL/publications/PU00012632. Akad. Ellwood & J. Kon.C. overlain by Ombilin Fm marine clay-marls (Lower Miocene). Kobayashi. Central Sumatra (West Sumatra Province). J. but folded Upper Triassic shaleslimestones unconformably overlain by Tertiary clastics (Paleogene conglomerates.F. No map or illustrations.. Carboniferous Limestones (Kuantan Fm).. Indon. 18th Ann. 151-165. 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In NW these units overlain by probably Eocene coal bearing Sawahlunto Fm.(Seismic stratigraphy of M-L Miocene sandstones in Pertamina Unit I area. Clastic source directions mainly from SSW and SW. 10th Ann.M Miocene Lower Baong/Belumai Fm is source for second and final oil phase) Klein.Sumatra. S. Conv. (1918). Res.Petroleum geology of the Ombilin intermontane basin. from rising Barisan Mountains. 91. (Geologic description of eastern shore of Lake Toba. p. Widespread post-rift Late Oligocene. Tijdschr. 136-187. Assoc. intruded by granites.. Old lake terraces up to 250m above present lake level) Klompe. 120-134) (No obvious Paleozoic. & K.com Nov. unconformably overlain by Ranau Fm Quaternary tuffs) Koning. SE Aceh. Associated with brachiopods. N Sumatra. 4. in 190m thick. p. & K. Basin Research 20. R.(Sinamar No. West Sumatra. Velocity-depth model indicates continental-type crust under forearc basin off S Sumatra. Flueh. (1992). oil production from Pre-Tertiary basement rocks. 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(Beruk NE oil field in C Sumatra discovered in 1976. 177-187. Conv. Bathymetric elevation of Java shelf in S Sunda Strait corresponds to increased basement high velocities and is connected to Sunda Strait transtensional basin. Backstop structure underlying trench slope break defines landward termination of accretionary prism. Apache 1994 South Sinamar-1 was 1140 m dry hole. T. Y. whereas lower velocities found beneath Sunda Strait forearc) Kopp. Despite small area (1500 km2). Bohorok Fm at nearby Cucut 1 well contains an E-M Carboniferous flora) Koolhoven. Although in present-day magmatic arc and partially covered by volcanics. (Lower plate fabric extensively modulates upper plate morphology and morphotectonic segmentation of Sumatra trench system is linked to subduction of reactivated fracture zones and aseismic ridges of Wharton Basin. (Data off S Sumatra and Sunda Strait show lateral increase in dip of subducted plate from 5° to 7° below outer high off Sumatra to Sunda Strait. Calgary 1992 (Abstract) (Beruk NE (1976) field in C Sumatra produces from pre-Tertiary basement. Weinrebe. small (~1500 km2). Radiometric ages E Permian. W. but temperature gradients cooler than Sumatra back-arc basins. p. Velocities of outer high moderate.De afzettingen van Simau (Res. Klaeschen. with noncommercial oil and gas.J. Massive debris flows and extensive alluvial fan deposits on basin margins and large Eocene lake in center. Bali 2000. 519-529. Flueh. In general. (2008). Reduced reflectivity beneath rugged top basement supports high degree of deformation and compaction. & F. Aernout (1928).R. weathered argillites. Uplift-erosion since M Miocene reduced original basin extent. (Abstract only) (Caltex 1984 Sinamar-1 first well in intermontane Ombilin Basin in Barisan Mts. Assoc. D. 385-406. and possible unrecognized water-bearing fracture systems. 449-474. 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Kota Kampar di Ilir. 2006 step-out drilling found additional reservoir on flank. Indonesia. 20 major segments.H. J.Radiolarienhoudende gesteenten van Sumatra.Nainggolan.1029/2006JB004450. D.1029/2003JB002398. 289p.from source to hazard. Sieh. IV. J. AAPG Ann. J.Lahat Fms terrestrial source rock. Technology. but decreases to 200 km NW along Sumatra island. from which Malingping and Banten tufts were ejected 0. (2) Benioff zone maximum depth of 600 km E of Sunda Strait. D. K. (1976). p. 38 p. Nishimura. S. 269-275. H. Nishimura. (3) age of volcanic activity younging to NW (?)) Ninkovich. Abdel-Monem. A. N.vangorselslist.. (Clockwise rotation of Sumatra of ~20° about axis near Sunda Strait inferred from: (1) Sumatra volcanic arc at angle of 20° with volcanic arc farther E. Soekapradja (1990). so rotation of Sumatra and opening of Strait Sunda might have started before 2 Ma) Nishimura. p. R.Organic geochemical studies in the North Sumatra Basin. 109.D. & S. D. J. Nicholson. Sasajima. 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(Interpretation of structural deformation in Sumatra forearc NW Simeuleu from new bathymetry map) Peter. p. S.Sequence stratigraphy and facies distribution analyses to define reservoir lateral distribution in Meruap Field. H. Sumatra (Quadrangle 0812 and 0813). Coal mainly vitrinite with rare inertinite. J. 61-66. Jurnal Sumber Daya Geol. Brata (1984). M Miocene Middle Baong Sand prolific reservoir in N Sumatra Basin. M.Geologic map of the Bengkulu Quadrangle. Frankel & K.. 6. Indon. 16. Petrol. 12p. Joint 36th HAGI and 40th IAGI Ann. Geol. S. (IAGI). Adibrata & D. 1:250. Sands deposited in deposited in tide.dominated delta. 2011 . Riau. berdasarkan metode gaya berat. Jambi.Pauh region.equivalent Seblat.D.H. M. PIT-IAGI-2010-241. Mueller. South Sumatra.C. Conv. Makassar. and Lemau Fms) Panguriseng. D. M.Determination of turbidite "lobe" distribtion and geometry in Middle baong sand. Open microcleats dominate over closed microcleats. 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A..Cenozoic tectonics of North Sumatra with particular reference to the Sumatran fault system. Nias Melange extremely thin mylonites and olistostromic scaly clay at several decollement levels. 4.. Complex belt affected by polyphase tectonics in Eocene and M Miocene. Assoc.(L oil field discovered in 1980 by Mobil in Malacca Straits. Indonesia. Mergui. Proc. A. Geol. 2011 . Sumarsono (1993). Indon. I. Mueller (1992).Oligocene Lemat Fm conglomerates (19%) and fractured basement composed of M Jurassic andesites. October 2002.Tertiary structural features related to extensional and compressive tectonics in the Palembang Basin. Malacca and East Malaya continental microplates joined in Late Triassic to form Sundaland. (Milestone paper on Sumatra Pre-Tertiary mosaic of basement terranes. and to compressional reactivation of cross cutting WNW-ESE faults formed during the accretion of Woyla Terrains ) Pulunggono.15th Ann.) Proc. Over 1000m gas column between 1800-3300m. Reactivation of Eocene Tethys suture zone within crustal blocks of Sunda margin could be alternative hypothesis for structure of Mentawai Islands) Pudjowalujo. (IAGI). p. J. (1969).Basement configuration in the South Palembang basinal area: its signficance to depositional conditions and oil-trappping.Sumatran microplates. H. followed by Late Cretaceous accretion of W coast Woyla volcanic arc terrain(s). p. p. (1986). Cadet. In: F. (Suban gas field 1998 discovery 165km WNW of Palembang. 121-143. Diastrophism in Palembang Basin mainly confined to narrow N-S zone with highest heatflow and most fields) Pulunggono. 21st Ann. Indon. 22nd Ann. Canberra 1969. Petrol. (1990). p.Organic petrology and geochemistry of Bukit Asam coal. 187-213. Haryo S. A. a study of SAR-maps. Ser. Indonesie). Rangin. Setiawan (eds. Proc. A.. Mining Metallurgy. C. Sci. S Sumatra Basin) Pubellier. Jakarta. Conv. (1997). Oligocene Talang Akar Fm sandstones and Eocene. & A. Butterlin & C. Pacific Rim Congress 90. major zone of weakness during formation of Tertiary C and S Sumatra basins. Reservoir Early Miocene Malacca Fm carbonate buildup with av. cekungan Sumatra selatan. (Nias Island classically regarded as emergent accretionary wedge. Pulunggono. Proc. & C. In: Fourth ECAFE Symp. C. (IAGI).Tektonik geologi daerah pegunungan Tigapuluh dan daerah sekitarnya. Kosuma (1992). Petrol. 13th Ann. 209-215. Gold Coast 1990.com Nov. Giant Field and New Exploration Concepts Seminar. 25-44. coinciding with standstill of Indian oceanic plate subduction below Sundaland. Bibliography of Indonesia Geology v. It is a zone of high heat flow and underlies ~95% of two basin's oil production. Suture zone between Mergui and Malacca microplates. Indon. named Mutus assemblage.example of a fractured basement reservoir.D. 1.R.H. Tjashuri.. porosities 6. 1019-1026. Proc. Pujasmadi. p. Young Tertiary structures in this zone are related to wrenching in N and S. Ph. Proc. Oblique compression of N-ward converging Indian Ocean plate solely accomodated by NW-SE trending proto-Barisan by lateral movements. their characteristics and their role in the evolution of Central and South Sumatra basins. 8. (Tectonics of Tigapuluh Mountains and surrounding area. Sediments shelf clastics and limestone. S. Alley & Shofiyuddin (2002). Assoc. Tensional phase in Late Oligocene. 1. The early M Miocene onset of compression connected with renewed subduction. H. M. Assoc. South Sumatra. straddling E Miocene Baturaja Fm reefal limestone (33% of reserves). A.4. p. un edifice polyphase sur la bordure interne de la fosse de la Sonde (Archipel de Mentawai. II.. Development of petroleum resources Asia and Far East.Suban gas field. Cameron (1984). E Cretaceous granitoids and Permo-Carboniferous marine metasediments (48% of reserves)) Pujobroto. Conv. (Tertiary basin history. Indon.P. Parkville.0 77 www.Pre-Tertiary and Tertiary fault systems as a framework of the South Sumatra Basin. p..7%) Priyomarsono. School of Geosciences. Thesis. Assoc. 339-360. p. Indon. & N.G. Pulunggono. South Sumatra. J.vangorselslist. 103-111. A. Conv.10. Petrol.L’ile de Nias. Geol. Conv. University of Wollongong.E Miocene. Sidi & A. B. 16p. Assoc. South Sumatra. Australasian Inst. Acad.R. in pre-Sihapas objective. W. A. Conv. Potential reservoirs Baturaja Bibliography of Indonesia Geology v. (MSDC-1 gas well on E margin of Bengkalis Trough.com Nov. 21st Ann. Abdullah. Mujihardi.4.L. Sukotjo & B.vangorselslist. (Basement in N-S trending Bengkalis Trough in Malacca Strait mainly meta-sediments and limestone in N. South Sumatra) Rahmat. Geol. HAGI. (An overview of results of a transect study of Pertamina exploration block) Putra. Petrol.Structural evolution of the Jambi Sub-Basin: a rotated strike-slip mechanism. Jambi. Conv. (IAGI). Assoc.) Proc. 99-114. and subducting slab is diving into mantle at steep angle. 33rd Sess. Like present subduction zone.. Sumatra. Conv. (Magnetic images near Great Sumatra earthquake.1. In: J. p. Their crucial role in (Tertiary) sedimentary basin development. & T.Analysis of the possible reserve in Eq.Exploration opportunities in the Bengkulu frontier basin.Sumatran megashears. Indon.43%.Magnetic images of the Sumatra region crust.0 78 www. Geosc. 10. Techn. Indon. Sutadiwirya (2006). NW-SE and ± N 30°E. Proc. it is characterized by 2-3 fold increase in magnetic thickness in NE direction. Indonesia.E. In: FOSI 1st Regional Seminar: Tectonics and sedimentation of SE Asia. B. (Extended Abstract) (Structural evolution of Jambi sub-basin three orders. 61-66. Between Singapore and S coast Borneo. DC structure low relief hydrocarbon column exceeds mapped structural closure. Y. Conv. Ro from 1.. D. (Hydrocarbon potential potential of Bengkulu fore-arc basin proven by presence of Oligocene or E Miocene brown shales with good TOC. Assoc. Proc. 1. Conf. p. R.Tinjauan atas hasil penyelidikan transiel di daerah kerja Pertamina.. Paleogene initiation of S Sumatra back-arc basin by way of subsiding "block-areas" along WNW-ESE (Lematang) and N-S trending strike-slip faults of Pre-Tertiary origin.12. Oemar (1998). 30th Ann. M. Noeradi. Rau (ed. N area more mature than S. 201-223. 2. Assoc. Balfas (2003). Petrol. NW-SE (Barisan or Semangko) trend offsets WNW-ESE trend and presently active strike-slip fault zone at crestal parts of Barisan Mountain Range) Pulunggono. R. 4. Jakarta. 127-134. 12th Ann. Jambi sub-basin block rotation of 45° clockwise relative to Great Sumatra strike slip fault) Purwanti. 114-127. quartzite and mudstone in S. Reports. M.o. Neogene compressive tectonics marked S Sumatran back-arc basin development a. Along fault rupture magnetic crustal thicknesses increase to E and NE. increasing magnetic thickness. (IAGI). rejuvenated as normal faults. Baturaja Limestone by applying the bungin Batu geological model. Suparka. Bandung 1999. Indonesia. Tectonic uplift of block 2300' to 3850') Puspoputro.. 2. inducing inversion along WNW-ESE faults.W. a previously unrecognized firstorder feature parallels active subduction zone. & S. Bachtiar & A. Indon.33% (overmature).A. 6p. Proc. Putrohari... Hydrocarbon shows in some parts. Petrol.. Proc. Geol. Proc. (Abstract only?) Purucker. EOS 86. N-S. Structure Upper Oligocene inversion anticline.D. Djuhaeni & L. Adibrata (2005). Assoc. Coastal Offshore Geosc. Conv. p. Shanghai 1996. (1992). West Sumatra.M. Jakarta06-OT-60. (1984).. Distribution of Jurassic and Cretaceous granites important to explain geological evolution of Sundaland.I.(S Sumatra dominant trends WNW-ESE. L. A. 32nd Ann. E and SE Asia (CCOP). 2011 . TOC of basement shales from 0. C. Progr. offshore Indonesia. Ishihara (2005). Proposed geological model shows trapping mechanism partly stratigraphically controlled) Raguwanti. Comm. p. South Sumatra. Conv. Indon. Jakarta 2006 Int. onshore oil seeps and offshore oil shows in wells. p. Samuel (1999). 28th Ann. Proc.D. Suseno & Y.Petrophysics and organic geochemistry of basement section in Malacca Strait area. D. B. A.H. Prasetya. IAGI and 28th Ann. p. 6p. a case study on the West of East Ketaling Structure. Island arc and subducting slab are magnetic. Indon. Assoc.Innovative approach using geostatistical inversion for carbonate reservoir characterization in Sopa Field. (Geostatistical inversion of thin carbonate reservoir of Baturaja Fm in Sopa Field. J. E. (1999).11. Co-ord. probably reflecting past history of subduction in region) Purwaningsih.MSDC-1: a gas discovery in the Malacca Strait PSC. Source rocks Lahat/ Lemat Fm Paleogene lacustrine shales and fluvio-deltaic to marginal marine Talang Akar shales. X. C. 23rd Ann. 265-276. Variations in sour gas concentrations controlled by production of gas from formation water) Reaves. I. Temperature gradients in wells 2.M.com Nov.Docked or accreted Indian Ocean fracture ridges along the Sumatra subduction zone northern tip. EOS Trans. Conv.R. Martono. 1. temperature and pressure to calculate CO2 concentrations. Petrol. AGU 2007 Fall Mtg. Petrol.Carbonate play concept in Sopa and surrounding areas: an alternative model for hydrocarbon occurrence. C.0 °C/ 100m) Rampino M. Rangin. & A.. 22nd Ann. S. p. Petrol. (Reefal facies in carbonate plays usually good reservoir. Musi Platform. (NSB 'A' field gas H2S content <0. Sukotjo et al. Iriani (1998). (Prospectivity of Eocene-Oligocene ‘Basal Sandstone’ alluvial and fluvial deposits in lows. Amer. Proc. p. CO2 also variable. 27th Ann. In contrast. 1. 88. Offshore North Sumatra. Carbonate reservoirs exposed to significant up dip fluid flow will possess CO2 concentrations representative of base or entry point of regional flow system) Redfern . Sulaeman (1994).. Proc. Suppl. Assoc.The deep gas potential of the Batu Raja Formation in South Sumatra. 52. J. N. Riadhy. Sumberdaya Mineral 9. 33-43. Assoc. 2011 . a case history: the Singa gas discovery. & A.. 1. ('Age of Mesozoic metasediments and limestones in the Tembesi area. Proc.Empirical models for predicting CO2 concentrations in North Sumatra. Self (1992). 265-284. 50-52. Robinson (1999). 2-9. Le Pichon & J. C. Sosrowidjojo & F. Sumatera Bagian Selatan. p. (Musi Platform and Palembang High in S Sumatra important exploration targets. Ismi & S. 6. lacustrine.Notes: "Basal Sandstone". Proc. Nature 359. p. D.X. Riadhy. 303-310. Bibliography of Indonesia Geology v. South Sumatra Basin. Proc. Geoph.P. a case study in Batang Sarangan. (2000).eruption. S. (1996)..Musi Platform and Palembang High: a new look at the petroleum system.Variations in sour gas concentrations in the NSB 'A' Field. Conv. p. existence and hydrocarbon potential in the North Sumatra Basin. p. 25th Ann. Three oil groups: marine. probably mix of two oils from S and N Palembang High.1. p.Volcanic winter and accelerated glaciation following the Toba super. Palembang High oils fluvial-deltaic. Conv. 6390.. Assoc. Indon. (1998). Warta Geologi 24.coals.4.8. Geol.B. Ascaria. Indon. 89. Marine carbonate oil in condensate from Pre-Tertiary Basement fracture in Musi Platform) Ratman. deltaic. Langkat and Gebang Areas. S Sumatra') Reaves. Un. Conv. . 26th Ann.5% to over 5%. Assoc.M. Proc. Abstract T31G-06 (Abstract only) Rashid.North Sumatra's Middle Miocene reservoir prediction and characterization using sequence stratigraphy. Indon. Lin (2007). p. Jambi. A. Petrol. 145-157. J. 453-464. primarily from inorganic sources.and Parigi Fm equivalent carbonate buildups and E Miocene Talang Akar Fm equivalent sandstones. & S. (Up to 95% CO2 in N Sumatra gases.. H. 239-250.25% chalky porosity and 300-2000 mD permeability) Riadhy. Petrol. Principal mechanism controlling CO2 in clastic reservoirs is interaction of silicate transformations and carbonate dissolution.0 79 www.. Petrol. 1. p. S. Assoc. Gutomo (1993). 4. Widiarto (1998). Assoc. Conv. Indon. & G.vangorselslist.Umur batuan sedimen meta dan batugamping Mesozoikum di daerah Tembesi. but in Musi Platform Sopa carbonate complex platform and reefal facies relatively tight with mainly isolated biomoldic porosity without fractures. Conv. A. prograding carbonate clastic facies 15. Empirical models developed which utilize reservoir lithology. Indon. C. 26th Ann. Indon. 2D seismic inversion and 3D seismic data. Two kinds: syn-rift (Batang Sarangan Type) and post-rift deposits (Langkat-Gebang Type). vangorselslist. Fajari (1996). W.Hydrocarbon generation. originally thought to be regionally continuous fluvial/deltaic sands. A. Late Permian volcanic rocks are altered porphyritic basic lavas interstratified with limestones and phyllites. Central Sumatra. probably due to increase in heat flow. p. Petrol. Volcanologique 45.The Baong reservoir distribution prediction using sequence stratigraphy analysis: a regional study in north Sumatra Basin.0.M. Oost-Indie 10 (1881). p. Prograding shelf margin is less attractive exploration target due to thinner sand thickness in poor quality reservoirs. non-marine algal Kelesa shales.Uber eine Kohlenkalk-fauna der Westkuste von Sumatra. NW-SE trending anticline. Lower Baong sourced from Malacca Platform in N. N Sumatra basin') Riadhy. Miocene volcanic rocks widely distributed along W coast.The geology of the Lubuksikaping Quadrangle. p. Djunuddin et al. andesites and basalts. A. Tastari & B. Assoc. 17th Ann. p. Miocene and Quaternary. Bull.S. 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Majority of oils in fields along Merbau and Lirik Trends plus Pekan and Binio Fields.C. Sequence stratigraphic framework of E Miocene Bekasap Fm reservoir 11 regionally correlatable flooding surfaces and five sequence boundaries in overall regressive-transgressive package) Robinson. Source rock mature and in main to late phase of oil generation. Dev. Assoc. primarily due to complex stratigraphic and structural setting. Main volcanic episodes N of Equator: Late Permian. Aspden. Centre. Lena (1982).S. Conv.A. N. Conv.AruLangkat. Aldiss. below) Roemer.M. J. H. good quality sand reservoirs) Riadhy. include ophiolite-related spilites. Davis.Reservoir compartmentalization: an integrated evaluation of supermature Minas oil field. F. 1.Peutau. 25th Ann. Dwidjojuwono. Res.. Main producing reservoirs.E. sand provenance and well correlation. Migration distance small (2-10 km).C. Toha (2002). 289-305. S. Proc. Styles & R. D.Aru. Indon. Indonesia: a preliminary study of its distribution. (1880). p.. Indon. Proc. S.com Nov. H. Shift in sediment supply to S (Barisan) and drop of sea level drop resulted in deposition of M Baong lowstand unit in S of area. interpreted as highstand. Distribution of oil fields fault controlled. Lowstand produced medium thickness..Peutau. Petrol. Cekungan Sumatra Utara. 137-156. 4. p. (Minas oil field produced more than four billion barrels of oil since early 1950’s. Lakat coals and coaly shales.shelf margin-system tract. Geol. Proc. Sulaeman (1995). ('Application of sequence stratigraphy on the Belumai. 211-256. 28th Ann. with some post-depositional diagenetic processes.G.T. Palaeontographica 27. Late Mesozoic. Quaternary volcanism is irregular and anomalous in relation to S Sumatra and adjacent Java-Bali) Roemer. 275-293. 2.Aplikasi stratigrafi sekuen pada Formasi Belumai. prograding S.T. Detailed depositional framework constructed using 1430 wells. Quantification of oil charge to prospects/Fields along Lirik and Merbau Trends indicate Kelesa source can easily account for oil found in Block to date) Rock.H. Generation of oils over narrow maturity range of Ro = 0.S. Indon. Richmond. Syah. 127-152. & A. Parum Field probably sourced from Kelesa or.. Hutchison M. 24th Ann. 2011 . sourced from deep lacustrine. 581.0 80 www. Medianto B. Differences of two sand members clearly defined from seismic model. Late Mesozoic volcanic rocks widely distributed along and W of Sumatra Fault System. 1-11. Sumatra (Quadrangle 0716) 1:250. Assoc. M. K.M. Kamal (1988). 60p.000.. & S. p. Clarke. Productus sumatrensis n. Assoc. & C. Indonesia. Petrol. 20th Ann. Geol. Contr.Geologic map of the Painan and northeastern part of the Muarasiberut Quadrangles. reservoir limestones deposited in reef. Rozeboom.vangorselslist. Miocene carbonates primarily beneath present-day shelf on E side of basin. 20th Ann. Chesner (1987).Bemerkungen zu den fossilen Fischen aus Sumatra. (South Lho Sukon 'A' 1972 gas discovery. S. Indon. (Small S Sumatra Fariz Field 2004 Medco discovery 3 km E of Soka. Arham. with 250' gas cap. IPA10-E-029 7 p. E. Proc. Geol. Geology 15. Bandung. Aru-Langkat area. Res. overlain by deepwater clay-mudstone-siltstone. 2026. Hartono (1991). 1. 75 ka. North Sumatra. 3rd Ann. p. Indon. N Sumatra) Rustanto.0 81 www. Conv. Rutimeyer. Associated with plants described by Heer 1874. 19th Ann. 1. limestone from near Padang. then U Miocene shelf carbonate-clastics with reefs. possibly E Miocene shelf limestone with reefs. Petrol. Moderately deformed Neogene 1000’-15. Proc. Average porosity 8-15% ) Rose. Central Sumatra. Geol. W. J. both in reefal deposits) Rose. ('Remarks on fossil fishes from Sumatra'. 1. (1983). L. Ges.sp.M. In S carbonate deposition late M Miocene. As at Arun. 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Methane gas in U Miocene in Keudepasi 1 and Singkel 1 wells.. Young NW-SE trending anticline) Rory. + map Rusli.Sekuen pengendapan dan ”systems tracts” Formasi Belumai daerah AruLangkat. 1:250. R. Indon. 34th Ann. Pendowo (1975). 1. five in carbonate reservoirs. Petrol. Sumatra(5/VIII). Proc. 237-260. & E. 13p (Brief Caltex paper on Central Sumatra basin stratigraphy and micropaleontology) Rosidi.)) Roezin. Assoc. Tjokrosaputro & B. overlain by M Miocene Baong shales. W Sumatra.Paleontologic methods of correlation in Central Sumatra.com Nov. 1-40.000’ thick over folded Paleogene sediments and volcanics. (1961). Conv.A. Jakarta. with striking resemblance to Upper Carboniferous ‘Kohlenkalk’ of NW Europe. 10 p. near-reef and "lagoonal" environments in E.I. Indon. R. surrounded by 80' oil rim in Baturaja limestone and Talang Akar Fm conglomerate) Rustanto. Conv. cekungan Sumatra Utara. Northwest Sumatra. Abhand. Wijayanti & A. Dev. Overlying rocks mildly folded and faulted during the Barisan orogeny in Plio-Pleistocene. Indon.D.Acceleration of thin oil rim development of Fariz Field.000.260. Reservoir E-M Miocene Peutu Fm reefal buildup. 2011 .('On a 'coal-limestone' (=Carboniferous) fauna from the West coast of Sumatra'. Schweiz. Indon. Budy . Inst. Phillipsia sumatrensis n. Assoc.. A. Conv. Bandung 46.Dispersal of ash in the great Toba eruption. Proc. Dept. brachiopods (incl. Conv. (1970’s Union Oil exploration of Sibolga forearc basin discovered gas in six localities. 237 . H. Q.Basin development and uplift at an oblique-slip convergent margin: Nias Island. Achdiat. et al. M. Conv.Rutten.. vol. Samuel. Groningen. 345 p.Tampur Formation. (Dayung Field 1991 discovery in Corridor Block. In: L. Chapters 24-31. Tropische Binnengewasser. 93-116. Assoc.Wrench faulting and its implication for hydrocarbon accumulation in the Kuala Simpang Area. Samuel. Dolomitisation may have resulted in reservoir rocks. L. 160-179.M. 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Also influenced by violent hydrothermal event intruding granite and dated at 17 Ma. (IAGI).R. Jabung Block. (2008). (2001). Clasified as pre-rift (Pre-Tertiary and Kikim Fm). See also Van der Marel 1947) Ryacudu. 499-515. Strong gas shows also in Sembilan-A1 well in Aru onshore area) Sagita. Suppl. 13. Djaafar & A. Saito. (Tampur Fm Late Eocene shelf carbonate on Tampur Platform. Quaternary lake sediments in Lake Toba area.The structural and stratigraphic evolution of islands of the active margin of the Sumatra forearc. F. R. p. Proc. & N. Geol. p. Ryacudu. p. Guttormsen (2008). Indon. M.Dayung. 12p. Indon. Gutomo (1992). Indon. Peulalu and from beneath Malacca Limestone Mb reefs offshore. Petrol. 28th Ann. p. reefal buildups on shelf edge. (1927). Petrol. p. p. Indon. p. E of fault zone. Duri (Riau) 2005.H. Petrol. adjacent to shale-rich troughs. syn-rift (Benakat and Lemat Fms of Lahat Group) and post-rift (Tanjungbaru and Talang Akar Fms.. (1994). Shales mature since Miocene. 1. Petrol. Chalik.) Saifuddin.D. N Sumatra.North Sumatra Basin. 101-116. Petrol. AAPG-GSM Int. Exploration Geophysics 31.(2) major right-lateral strike slip zone. Associated with plant fossils described by Heer 1874 and a water bird described by Lambrecht 1931) Santoso. Daulay (2006).Inversion-controlled of an outer-arc ridge: Nias Island. London Spec.Vitrinite reflectance of Ombilin coal according to its petrographic analysis. Uplift and deformation controlled by reactivation of extensional faults and oblique-slip movements on transecting faults. first discovered by Verbeek in 1874. 409. & N.A. 1. Strike-slip motion is of limited importance along 600 km long Mentawai fault zone) Samuel.A. N. Sukmono & H. (2 ) initiated in Pliocene.) Basin Inversion. (Three main sub-basins on Nias.Samuel. Kadir & S. 142p. (N Sumatra Basin M Miocene Keutapang Fm sandstones. 2011 .Die fossilen Fische der Alttertiaren Susswasser Ablagerungen aus Mittel-Sumatra. 6. Structural reconstruction shows four periods: (1) extension (Pematang time. Indon. F. p. & B. U Oligocene -E Miocene) NW. Verhand. Publ. Eocene -Oligocene?). J. p. p. p. mainly extant species. creating N-S trending half graben in which Pematang Brown Shale source rock was deposited. Santoso.Delineation of reservoir boundary using AVO analysis. 9-20.A new stratigraphy for the islands of the Sumatran Forearc. D. M.0 83 www. Hartono (1997).G.Coalification trend in South Sumatera basin. p. accretionary prism SW of Nias) Sanders. Diapiric melanges developed during inversion. Two hypotheses to explain this pattern of decoupling: (1)arc-parallel stretching. 37. M. Nederl. N. 473-492. Geol.A. p. A. Mining J. J. 739-747. Includes 7 species of cyprinid fish. Petrol. Mentawai fault zone S of Nias can be explained as inversion of originally extensional structures and mud diapirism. (N Bengkalis Trough in Malacca Straits PSC. in all sub-basins. S. Uplift of subbasins on Nias inversion of original major extensional faults rather than thrust-slices in accretionary prism. Indonesia. Late Paleogene-Neogene sedimentation controlled by r extensional faults. (also Thesis University of Amsterdam. D. p. Southeast Asian Earth Sci.shale deposited in coastal environment. Indon. B. Ser. with further collections by Musper in 1927 from S. Mining J. Proc.E.412. Matthews (1995). so can be used for delineation of reservoir) Santoso. 2. Harbury.. (4) Second compression (M MiocenePliocene) Bibliography of Indonesia Geology v. & P. Malaysia Bull.SE dextral strike-slip fault zone. M. L. Ombilin basin. In: R.A. Latest Pliocene-Pleistocene rocks unconformably overlie Miocene. p. 1. Sipang.H.. Soc. W. 471-478.G. (2001). en Kol. Nias not part of accretionary complex. Central Sumatra Basin and its implication in creating traps for hydrocarbon accumulation. Samuel.Structural evolution of the North Bengkalis Trough. M. in W. M. Soc. p. Conv. Structural growth continued until Lower Sihapas time (3) Tectonic quiescence (Telisa time. 1-144.A. Hall and D. Mijnbouwk. 8. Top of porous sandstone reservoir zone is AVO anomaly. Description of wellpreserved Eocene fresh-water fish fossils from bituminous marly shales. Geol. offshore Sumatra.A. Two inversion phases: (1) E Miocene. Malacca Straits. Assoc. B. 1. Geol. 4-5. Soc.. 500-1300 m thick. parallel to Sumatran Fault System (Mentawai fault zone). 28th Ann. Blundell (eds. 15. (Sumatran Forearc not behaving as a rigid plate and that rate of slip increases along the right-lateral Sumatran Fault System from southeast to northwest. 11.) Tectonic Evolution of Southeast Asia. E-M Miocene). Daulay (2005). 339-380.. Padang Highlands. In: J. Exploration targets footwall traps of Padang Fault. 9-21. (2) First compression (MenggalaSihapas time. & B..com Nov. Geol. Harbury. Setyadi (1994). Indon. Geol. Bakri..B. 106. Gen.The characteristics of Neogene sediments and structure in Siberuang area (Central Sumatra Indonesia) based on gravity data. Buchanan (eds. Jones & S. London Spec. Harbury (1996).vangorselslist. 337-351. (1934).T. 4. 9. Banner & L. Santy. Santoso.) ('The fossil fishes from Early Tertiary fresh water deposits from Central Sumatra'. 88. Publ.The Mentawai fault zone and deformation of the Sumatran forearc in the Nias area. Alawiyah (2000).A. ('The Tapanuli Group of North Sumatra') Sasajima. Petrol. C Sumatra. Assoc. Surv. Central Sumatra Basin. 5. H. Assoc. Djumlati & S. Hansen (1991).F. Indon. Proc 29th Ann. 65.Hydrocarbon prospect of Pre Tertiary basement in Kuang Area. Proc. Geol. p. p. 104-110. Jakarta 1988 p. Conv. Bull. B. (1901). Indon. Gaedicke. Indon. p. (At least four structural events in C Sumatra Basin: Pre-Tertiary basement development. Central Sumatra. & H. S. Sinuraya (1985). & Soejanto (1994). 1. France IV.K-Ar ages of granitoids in Central Sumatra. Sayentika. p. Sumatra FZ probably attached to Java Cimandiri-Pelabuhan Ratu strike-slip fault prior to Sumatra rotation) Schmidt. Sardjito. C. Indonesia. 30th Ann. Proc. Petrography different from Late Cretaceous Hatapang pluton in N Sumatra (with tin-tungsten mineralization.vangorselslist. Conv. S. 255-277. Japan 42. H. Proc. C. 1.. 5. Sumatra-E Java two accretionary wedges: inner wedge I Late Oligocene tectonic flakes and Neogene-Recent outer wedge II. E.Paleomagnetic studies on Sumatra Island: on the possibility of Sumatra being part of Gondwanaland.pdf) (K-Ar ages of 3 granitoid plutons in Barisan Mts. S. Conv. 193-204.Observations geologiques a Sumatra et a Borneo. (IAGI).Tectonic features of the Sumatra-Java forearc of Indonesia. Suparka & F. 1-11. Soc. 53. 20th Ann. Tectonics 21.0 84 www. 1047-1062. Indon. Petrol. K. Conv. Proc. Indon. 1. Assoc. Reichert et al. Schreckenberger.60. p. Rotation created pull-apart basins along W Sunda Strait (Semangka Graben) and transpression and inversion on E Sunda Strait in Krakatau Basin. 2.jp/Pub/Bull/vol_42/42-03_01. Sapiie (2005). (1991). H. Murwanto (1990).. Geol. 2011 . 78-81 Ma age) Satrio. 111-181. Assoc.U. Geol.. (IAGI). 1. & B. 14th Ann. Wedge I forms outer arc high and backstop for outer wedge II. Geol. Indon. Indon. S.gsj.Hydrocarbon source rock identification in the South Palembang Sub-basin.Kelompok Tapanuli di Sumatra Utara. an exploration opportunity in a mature area. (Haile 1981: clockwise rotation of Sumatra since Triassic) Sato.com Nov. 18th Ann. 4. 1. C. B. Conv. Assoc. Hirook. Tourmaline-bearing biotite granite N of Sijunjung dated at 247 Ma， which may tie to Permian-Triassic tin granites of E Belt of Malay Peninsula． Two Late Cretaceous-Paleocene granodiorite-tonalites near Sumatran Fault zone: Lassi pluton E of Solok (56 Ma) and Padangpanjang pluton S of Bukittinggi 64Ma. (Sunda Arc off S. Bull. 23rd Ann. Petrol. (IAGI). Conv.. South Sumatra. H. p. (Abstract only?) ('Melange complex in S Sumatra') Sartono. Proc. & Sardjito (1989). Missing outer arc high of S Sunda Strait explained by Neogene transtension due to clockwise rotation of Sumatra and arcparallel strike-slip movements. Duri Anticline reconstruction using flattened seismic lines) Schlueter. Meyer. 1039-1049. p. Sartono. p. (Kuang area ~40 km S of Prabumulih. Hehuwat (1978). Otofuji.Eocene-Middle Miocene structural reconstruction of the Duri Anticline. M Miocene strike-slip and M Miocene-Recent compression. Indonesia. Assoc. Eocene-Oligocene rifting. Indonesia. well known oil and gas producing area. Rock Magnetism Paleogeoph. Assoc. Conv. Proc 17th Ann. K. Hydrocarbons structurally trapped in Baturaja and Talang Akar Fms. Sapiie (2003).N. Roeser. ASD-1 well proved hydrocarbons also in Pre-Tertiary fractured granodiorite and quartzite basement) Sarjono.A. & R..Asih Field discovery: detailed structural reevalution along a wrench fault system in the Central Sumatra Basin. Syafruddin & B. S. (online at: http://www.Analogue study of basement fractured reservoirs in Kotopanjang Area. 424-467. Bibliography of Indonesia Geology v. Y.Saputra.Kompleks melange di Sumatera Selatan. Petrol. p. 260267. Geol. (2002). p. a new primary tin occurrence in Sumatra.E. 77-81. & Surjono (1990). De Mijningenieur 11. en 6. Pre-Eocene rocks in Wilhelmina mountains) Schwartz. Geol. Geol.E. Mijnbouwk.. (IAGI). Remaining exploration potential in subtle folds in migration and remigration pathways) Setyowiyoto. Verhand. Kol. & Solichin (1996). Petrol.Geologische notities uit de Batak landen. N Sumatra’. H. p.B. (1928). p.E. German version of 1922 Dutch paper) Schurmann. Geol. 25th Ann. Indon. 4. M. Ser. Proc. De Mijningenieur 3. 197 Ma= earliest Jurassic. p. Malaysia 26. Assoc. 181-188. 5. S. 27th Ann. Indon. until PlioPleistocene inversion tectonics caused spillage to present-day traps. Pramumijoyo & O.Study of oil migration and remigration in the Southern Kampar Block. Conv.Sedimentology of the Lower Sihapas Formation identified on conventional core data.B. H.O. French Indonesian Cooperation in Oceanography. (1922). 11th Ann. Mijnbouwk. 2011 . (IAGI). 146-158. when Binio. Assoc. (1998). Noord Sumatra. MGEI Bull. (‘Geologic notes from the Batak territories. E. p. p.. E.Miocene to Recent kinematic evolution around the Sunda Strait and southern end of the great Sumatra Fault: microtectonic approach. Miscroscopic study of gold. (Minerographic study of gold ores from Lebong Baru and Tandaiberg (Mining company Simau. (2009). (Small Paleogene Binio sub-graben between Lirik and Binio Fields likely source kitchen for Binio. (‘On the Neogene syncline of South Sumatra and the development of lignites’) Schurmann. Indon. Bibliography of Indonesia Geology v. Geol.Over de Neogene synclinaal van Zuid Sumatra en het ontstaan van bruinkool. Radiometric age (193. Bengkalis Trough. Soc. Setijadji. p. Conv. (New primary tin occurrence at Sg Isahan has cassiterite mineralization in hydrothermally altered muscovite granite.M.Lirik Trend structures not yet formed. Assoc. 10th Ann. with cross sections through Bangka and south Sumatra) Schouten.0 85 www. Sub-graben part of larger Bengkalis Trough. J.M. Conv. ('Binio sand: shallow gas trap in the Merbau oil field') Setyobudi.M. H.D. Rundschau 14. Setyobudi. 11. 67-70. (1982). silver and copper minerals from hydrothermal veins associated with andesites from Lebong Baru and Lebong Tandai. lapisan pengandung gas dangkal di lapangan minyak Merbau (Riau). Sumatra)'. 2.Uber die Neogene Geosynclinale von Sud-Sumatra und das Erstehen der Braunkohle. 37-40. NE of Bengkulu. 239-252.Overview of the metallogeny of Sumatera. p. (1930). Geol. Bellier (1993).Ofiolieten en abyssieten in Noord Sumatra. 161-233. (‘On the Neogene syncline of South Sumatra and the development of lignite’. Gen. 10.M. p. Sumatra). De Mijningenieur 10.Mineragrafisch onderzoek van goudertsen van Lebong Bahroe en Tandaiberg (Mijnbouwmaatschappij Simau. Jakarta. 197-200. Aceh. Central Sumatra.com Nov. C Sumatra) Schurmann. 4. (‘Ophiolites and abyssal rocks in N Sumatra’. L. Paleogene outcrops in several areas. 1.Batupasir Binio. C. Pekan and Lirik Trend Fields. (1923). Bull. complex. 1. Summary description of Sumatra and Borneo geology. Proc. Proc. 145-154. p. In Barisan Mts area between Tangse and Geumpang. H. 1-14. p. Major oil generation between ~10-8 Ma. p.E.vangorselslist. HvG) and tectonic position suggests correlation with Main Range of Peninsular Malaysia) Sebrier M. Hydrocarbons filled nearby paleo-structures.Sungai Isahan. 235-237. Nederl. p. Ocean crust assemblage of serpentinites and gabbro associated with red siliceous shales and radiolarites) Schurmann. (1929).(‘Geological observations on Sumatra and Borneo’. Centre. J.S. A..Geological map of the Muara Bungo Quadrangle. S. Ital. (Subduction interface locked between large interplate earthquakes (locked fault zone.326. A. P.Geological map of the South Sumatra coal province.P. J.. S. Sumatra (5/VIII) 1:250. Res. 3. 110 km from trench. postulated to not extend into mantle because serpentinization of mantle wedge favors aseismic sliding. Y. Res. Bandung. to 35-57 km depth. P. 38.. Centre. ('On some foraminifera and pseudoforaminifera from Sumatra'. probably into mantle) Singh. A. Hananto. Res. J. AAPG Bull. Gen. Assoc. 37th Ann. Surono. estimated at ~30 km depth. Kolon. R. Dev. X. (Mid-Miocene coal-bearing Lemau Fm in Bengkulu Fore-Arc Basin. 1. Indonesia. Sitohanh (1997). (Jurassic K-Ar dates of 180 and 159 Ma from Tigapuluh and Duabelas Mts granites of South Sumatra.P. 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LFZ extends below forearc Moho. 8p. B. Carton. & D. Geophys.vangorselslist. p. Gafoer & T. (IAGI). Bengkulu Basin. 81.P.Paleogeographic & paleoenvironment reconstruction of Tertiary Leman coal-bearing formation. p. B10402. Foraminifera from Cretaceous limestones from Sungi Tuo (Korinci.26th December 2004 Great Sumatra-Andaman earthquake: seismogenic zone and active splay faults. p. Bandung. Henry (2004).295-28. 105.000.H. S. 75107. Sumatera. (Sumatra 2004 earthquake caused by sudden slip along plate interface between subducting Indo-Australian plate and overriding Sunda plate. (2008)-. Lett.Neotectonics of the Sumatran fault. Riv. Tapponier. Sinaga & K.. Bandung. Geol. C. LFZ). Ser.Mijnbouwk. Singh et al (2007). (1925).C. K. Amin (1991).000. p.The Sumatra subduction zone: a case for a locked fault zone extending into the mantle. Deep seismic section of focal region reveals subducting crust and oceanic Moho are broken and displaced by landward-dipping thrust ramps. Avouac. Le Pichon. Geol. Lower Lemau Fm sapropelic coals (durite dominated) forming lenses and thin beds in massive claystone. suggesting megathrust now lies in oceanic mantle. Uplift rates from coral growth and GPS indicate LFZ extends ~132 km from trench. Nature Geosc.Revisione di foraminiferi preterziarii del Sud-Ouest di Sumatra. Jambi) with Choffatella (= Pseudocyclammina. 16p. Brittle failure of mantle rocks accounts for initiation of exceptionally large earthquake) Siregar. Indonesia.D.A. Sci. Chauhan et al. & D. but may be reset of older granites. Dev. + map Silvestri. (1932). Earth Planet. Geophys. 1. 2011 . 263.000.C.H. ('Revision of Pre-Tertiary foraminifera from SE Sumatra'. Hook & E. J. Geol.C. 28. Conv.com Nov. Seismic evidence for broken oceanic crust in the 2004 Sumatra earthquake epicentral region. Sieh. Verhand.C. Kastowo (1975). p. 4.Sur quelques foraminiferes et pseudoforaminiferes de Sumatra. p. Since then and until M Miocene. Centre. B. Yulihanto (2007). 27-41. Conv. & B. Dev. Indon.A geochemical study of Asamera’s Block ‘A’ Production Sharing Contract. North Sumatra Basin. 321-340. Assoc. Repeated tectonic inversions may be related in part to transpression and transtension stresses generated by strike-slip motion interacting with sinuosities in trench and Sumatran fault system) Situmorang. Several major N-S trending strike slip faults mainly with dextral movements formed in present back-arc region and arranged in en echelon pattern.The role of strike slip faulting in structural development of the North Sumatra Basin. Siemers et al.W. South Sumatra. p. while marine sapropelic organic matter increases to W. Publ. Kedurang in Bengkulu to SE).wackestones. B. Proc. p. N of Nias. Proc.G.R. B. 57-63. Conv. Oils from Keutapang and Seureula Fm reservoirs of six different fields typically non-waxy. 1. Paleogeographic reconstruction shows rapid shoreline progradation) Sitompul. Bibliography of Indonesia Geology v. 33. with 49. p. (Ramba Field produced 60 MBO oi1 1982-1992 from A and B pools. Audley-Charles (1987).Tectonic inversions in the Sunda Forearc: evidence from Simeulue.2° . Indon. (N Sumatra Block "A" with 11 commercial oil fields. Res. Best reservoir rocks coral-rich packstones. Late N7 sea level drop produced secondary porosity for carbonate reservoirs) Situmeang & P. Indon. basin characterized by normal faulting. N. dominated by vitrites and klarites. p 8.A. marshes on coastal plain). NW of Nias. N. Ramba A and B pools. Assoc. SB in Late N6 in Lower Talang Akar Fm. Situmorang. Petrol. Yulihanto (1985). forming thick sand bodies which could be reservoirs.vangorselslist.0 87 www.. Bose. In: C. S Sumatra. Assoc. S Wijaya.Results of petroleum exploration in the interdeep basin off West Sumatra Indonesia.10. Spec. which produced over 100 MBO. This episode corresponds to change in Indian Ocean spreading direction from N-S in E Paleogene to NE-SW. Petrol.. In: Geologi Indonesia: dinamika dan produknya. 21-38.A. B. South Sumatra.Formation of pull-apart basin along transcurrent fault: lesson from Sumatera. Baturaja Formation. producing compressive deformation and uplift. 21st Ann. & B. suggesting influx of land. Husen & B.com Nov. 255-262. & Soepatono (1975). Lorents (1992). 14th Ann. 4. Geol. 1.) Carbonate rocks and reservoirs of Indonesia: a core workshop.derived organic matter from eastern land mass in area of Malacca Straits. CCOP. C. Petrol. Harbury & M. 15th Ann. M.Effects of sea level drops during Late Early Miocene to the reservoirs in South Palembang sub Basin.. Conv. Indonesian Petrol.Analisis struktur geologi Pulau Nias. with 16-18% porosity) Situmorang. 16th Ann. Bandung. p. S. C. 2. Compressional structures continuously affected sedimentary cover in Plio-Pleistocene due to strike slip faulting along Sumatran Fault system) Situmorang. Zeliff & R. Conv. MFZ and SFZ are linked by Batee Fault. A. Sipora grabens in Mentawai area and Pagarjati. Oils have common origin. Proc. Wirawan & Y. (IAGI).59°API gravities. includes Oligo-Miocene erosional unconformity.1 . 309-324. Indon. Zaim (1992). (Two prominent NW-SE transcurrent fault zones in Sumatra: Sumatera FZ parallel to the axis of the Barisan Mountains and Mentawai FZ along E slope of fore-arc ridge. Assoc. (Cenozoic history of Simeulue. Indonesia.seams (>2m and significant lateral extent. Petrol. Geol. Transtentional basins in back-arc (N..T. p.P. separated by paleochannel. Convergence highly oblique in Late Miocene.. Assoc. B. Proc. (Late Early Miocene sea level drops form sequence boundaries in late N6 and late N7. Proc. Assoc. 19th Ann.8. and one non-commercial gas field at Alur Siwah. Indon. 29-48. Davies (1986). 1.. 2011 . 12th Sess. Yulihanto (1990). Conv. ('Analysis of the structure of Nias island') Situmorang. Pini in NW. (N Sumatra Basin development controlled by strike slip faulting. paraffinic. In E part of block kerogen characterized by abundant land-derived organic material. Ombilin) and fore-arc (Singkel.1. p.Characterization of low relief carbonate banks. Proc. Rudiyanto. Indonesia. (eds. probably fine grained marine sediments of M-L Miocene Baong Fm) Situmeang. but E Tertiary volcanics can be traced from Java S coast East as far as Flores) Soeryowibowo. Guidebook 14th Ann.100 psig (49 MPa) and 178° C) at 10. SW of giant Minas Field and viewed as S terminus of N-Strending Aman rift system.A. (1982). Petrol. Manurung & N. Conv. Jacob (1991). 1163-1171. R. (2) tholeiitic pillow basalt at beginning of Late Miocene (11 Ma). Yulihanto. 4. I. Frost (1999). Early investigators assumed continuation from S Sumatra. in SE Sumatra) Sobari.nl/DL/publications/PU00016261. Centre. p. Post Convention Fieldtrip. Indon. Kon. Petrol. En echelon array of NNW-SSE striking border faults. Petrol.000 '. Proc. Aru and Langkat-Medan blocks very light condensates from source in reducing environment.vangorselslist.Java to S Kalimantan. (Arun gas field discovered in 1971 in Mobil Bee Block in Aceh.Structural development of the Eo-Oligocene Tapung half-graben. Conv. 509-532.p. 35.G.Structural development of the Ombilin basin. Indon. Indonesia. Sofyan.0 km large. porous reef facies capped by M-U Miocene Lower Baong Fm shales. 20st Ann.W.L. (1932). Proc. F. Development Bibliography of Indonesia Geology v.On the origin and age of the peneplain of Palembang (Sumatra). Some difference in level of maturity) Skeels. their relation and origin. Djaafar (1993). Assoc.dwc. (Three phases of Tertiary. Locally over 305 m thick. (Guidebook of 4-day fieldtrip to outcrops and oilfields of N Sumatra. Guntur.Geology of the Arun gas field. Collins. S. Condensate-rich gas in E-M Miocene reefal carbonates. fluvial terraces. 127-143. N Sumatra. October 1994. Himawan & G. B.com Nov. 1-127.0 88 www. Central Sumatra. p. (Tapung half-graben of C Sumatra 25 km x 8 km. Barton et al. B. Noeradi (2005).Geology of the Arun Gas Field. 1-15. traverse across NE Aceh. Wetensch. p. Proc. Sumatera. Heidrick & E.5 by 5. (1983).. Assoc. 679-686. (SEAPEX) 6. Expl. Trap mainly stratigraphic. Geol. 1500 m) and β factor <12%. Proc. J.A. etc.Hydrocarbon source rock characteristics and the implications for hydrocarbon maturation in the North Sumatra Basin. Carbonates on large N-S trending paleotopographic high. Southeast Asia Petrol. Geol. & R. 4. W of Lho Sukon. J. Detachment of border fault <6. 27a-108. D..593. p. (1994). 27th Ann. M. Arun gas field and Lake Toba area) Sjahbuddin. R. G. 4.Situmorang...Distribution of Early Tertiary volcanic rocks in South Sumatra and West Java. (online at: http://www. Pay thickness averages ~152 m. Nederl. (3) Pliocene-Quaternary medium-K calcalkaline magmatism. G. 2011 . The Island Arc 14.North Sumatra. R.Quaternary volcanism (1) Early Tertiary (43-33 Ma) flows of island arc tholeiites.Bouguer anomaly map of the Bengkulu Quadrangle.5 km. R. consistent with thickness of syn-depositional section (max.L. 584. R. & D. 1-10. Soc. Soeparjadi. Assoc.knaw. & G. p. (Same as paper below) Soeparjadi. Techn. p.pdf (On young anticlinal trends of Sumatra and Java) Smit Sibinga.. 35. p. (1951).. Petrol.L. E. Petrol.The Tertiary virgations on Java and Sumatra. Bandung. 22nd Ann. Indon. p. including centenary visit to Telaga Said Field. 1163-1172. Indon. West Sumatra. Smit Sibinga. (Crude oils from Rantau. T.2 TCF) Soeria-Atmadja. p. In place reserves 16.D. Abnormally high pressure of 7. Paleogene volcanic rocks wider distribution than recognized. 225 km NW of Medan... Akad.Geology of the petroliferous North Sumatra Basin. Mijnbouw 13. Res. Conv. 1-11. A. Yulihanto. B. J. B. Cooper (1985). Conv. (On drainage sytem.. Situmorang. Buyung (1992). 6. Structure ~18. Assoc. 1. Proc. Dev. A. Post Convention Field Trip. Indon. Gas contents in samples up to 5. 303-312. p.I. Lett. J. C and S Sumatra basins analysed for biomarkers. Indon. Fauzi & D. Geoph. Gas released into production well richer in CH4 (94-98%). Bali 2000. T. Five exploration wells in Rambutan Gas field to ~1000m depth.. with at least two separate sub-chambers.Distribution of gamma-ray values and sulphur contents in relation with depositional environment of the coals in Bayunglincir coal area. South Sumatera. New maturity indicator based upon reactions of cadalene proposed) Sosrowidjojo. West Coast Sumatra Island. Ryberg. Water depths from onshore to >2000’. CO2 6 -19%).lacustrine.com Nov. Alexander & R. (Abstract only) (Caltex Sibolga PSC in Mentawai Forearc Basin acquired in 1996.D. M. Conv. Sosrowidjojo. Haberland. Exhib. Proc. Setiardja. Basin began to subside around 17 Ma and received nearly continuous Neogene sedimentation. 23rd Ann. Petrol.. Petrol. Natawidjaja (2010). with oblique extension commencing in Late Eocene and ceasing by Late Oligocene) Somantri. Proc. Hydrocarbons. 187-209. Exhib. 5p.B & F. 06-CH-05. P. p. Regional right-lateral strike-slip faults produced differences in structural and stratigraphic evolution between sub basins. sediments up to ~20. Stankiewicz. 4.G. I. Geol. Jakarta 2006 Int. Frasse & P. 2011 . Assoc. S. 29th Ann. some early exploration studies in the carbonate system') Sosrowidjojo.P. R.. 439-455. and (3) light oil from N Sumatra and two oils from S Sumatra from deltaic/ nearshore depositional setting) Sosrowidjojo.Petroleum system di Cekungan Sumatera Selatan.B.X. South Sumatra..of Tapung half-graben similar to other C Sumatra half-grabens. Indonesia.A new geochemical method for assessing the maturity of petroleum: application to the South Sumatra Basin. p. Chamber complex 3-D geometry. Res.C. ('Petroleum system in the S Sumatr basin.B. 21.Lake Toba volcano magma chamber imaged by ambient seismic noise tomography. Sumatra Fault marks velocity contrast. AAPG Int. Kagi (1994). 26th Ann. Indon. Conf.Coalbed methane potential in the South Palembang Basin.B. Assoc. Djatmiko (1997). mainly methane (CH4 80-93%.The biomarker composition of some crude oils from Sumatra. & A. Indon. Coals vitrinite-rich (>75%). Five major coal seams between 450-1000 m. low rank coals (lignite to sub-bituminous) in twelve named horizons. Petrol. I. Zakaria. 79. (IAGI). (IAGI). Alexander & R. Conv.A comprehensive evaluation of the exploration potential of the Offshore Sibolga Area. Assoc. p. Geol.I. 50-57. (Ambient noise tomography used to image low-velocity body representing magma chamber under Quaternary Lake Toba caldera. Kralert. but only down to 5 k) Bibliography of Indonesia Geology v.with emphasis on Synthetic Aperture Radar data..vangorselslist. Coal Geol. Deep low velocity body below 7 km depth SW of lake possibly another magma chamber. Proc. Suitable gas recovery parameters for three of five coal seams with total thickness of >30 m) Specht.B. R. I.Development of the first coal seam gas exploration program in Indonesia: reservoir properties of the Muaraenim Formation. Proc. p. Geosc. Assoc. (Assessing maturity of petroleum and source rocks using vitrinite reflectance and conventional biomarker data can be problematic when source rocks subjected to rapid heating and contain abundant land plant remains or when crude oil has been biodegraded. Conv. Sosromihardjo. (2000). 17th Ann. 155-176. Assoc.000’ thick. Int. (Late Miocene Muaraenim Fm thick. (Crude oils from N. F. T. (2006). Proc. B. J. C. 1. 37. I. L17306.I. Three types: (1) N Sumatra marine carbonate depositional setting (2) C Sumatra waxy crudes from brackish. Dobson (2000). Bordered by outer arc and Mesozoic-Paleozoic core and volcanic arc of Sumatra. Shallow burial depths limit size of biogenic accumulations and low heatflow suggests only limited thermogenic petroleum system). T.B. Saghafi (2009).0 89 www. Kagi (1994). Believed most prospective for CBM production in Indonesia. (1988). Sosrowidjojo. 5 p. Indon. I.. 145-156. Conv. 1. 1.. p. Organic Geochem.8m3/t. Conf. suatu kajian awal eksplorasi di sistem karbonat. Rahardjo.Structural analysis of the North Sumatra Basin. Palembang residency'.F. Characterized by intercalation of laminations meta-quartzite and iron oxide.. Assoc. Assoc. different from SE-Asia/ Bangka tin granites.Relationship between magnetite. Two different kinds of iron formation recognized) Subandrio. & M. JCB2007-024.S. (IAGI). (IAGI). Lombok. p. Proc. small. Joint Conv. Early description of two S Sumatra oil seeps. Conv. Sebrier (1991). late Permian) and 217.com Nov. 32nd HAGI. Indonesia. A.S.Uranium mineralisation hosted by albite-rich granitoid rocks of Sibolga. 69.Modeling of large-scale accretionary wedge deformation.E. 23rd Ann.Stevens. Proc. North Sumatra. Subandrio.Proterozoic sedimentary rocks in Indonesian island arc related to controversial discovery of banded iron formation (BIF) in Tanggumas. Bali 2007. (2007).ilmenite series and porphyry copper-tin metallogenic province of Sumatra Island. 36th IAGI and 29th IATMI. biotite. Syafri (2010). First discovery of thin 'BIF-like' outcrops in Tanggamus area of Lampung. biotite. Friedrich (2007). (IAGI). Indon. 4. Geology. Radiometric ages 257±24 Ma (K/Ar. A. (Banded Iron Formation mineralization in Tanggamus area. Proc. A. B10. Mainly A-type biotite granites.Neogene and Quaternary fault kinematics around the Sunda Strait area. Proc. Manila 1995. Marine Geol. intruded into Kluet Fm.S.H. A. J. SE Sumatra.F. loosely based on C Sumatra forearc) Streiff. JCB2007-027 p.. 88. Eighth Reg. 2. Geol. 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North Sumatra.metasedimentary Tapanuli Group) Subandrio. 93-112. Assoc. Lampung. R. 35th Ann. 20p. 39th Ann. Most Sibolga igneous rocks in Magnetite-Series. A. 1-2. 1-10.Indonesian Banded Iron Formation (BIF): a controversial in age and tectonic setting of BIF formation in Tanggamus area. PITIAGI-2010-266.Lampung. Suparka (1994). p. U. Conv. Indon. A.A. D. & K. SW part of S Sumatra basin. Petrol.P.gas accumulation. Y.A. p. Porosity varies widely between tight platform facies and porous reefal facies. Bandung. Assoc. Kagi (1992). (IAGI). J. Conv. Duri and Telisa Fms. Jurnal Geoaplika 1. (Oil productivity of very shallow A sand near top of M Miocene Lower Palembang Fm in 1929 field is better in cross-bedded facies than in bioturbated facies) Sudewo.) Suhendan. J. Crude oil of coaly shale type not found during this study) Sudarsana. Proc. 145-163. Lampung. Sieh et al. with distinct biomarker distributions. slightly parallel to main direction of Sumatra) Subarya. Duri (Riau) 2005. Indon. Five lithostratigraphic units (old to young: Menggala. 55-70..T. Nature 440. 55-69. I. 209-213. Assoc. (1984). GRDC Bandung.Penyelidikan geologi untuk perencanaan tambang batubara dengan contoh kasus perencanaan tambang batubara Muara Tiga. (online at http://fosi. Muara Enim. Indon.0 91 www. (Early Miocene Baturaja Lst in S Sumatra Basin significant oil.com Nov. (14) 1. >50 km belt along depositional strike.R. 1. Geol. Bukit Asam Sumatra Selatan.S. Assoc. Novel carbonate biomarker in source rock to crude oil correlation in the North Sumatra Basin. Chlieh. Iincreasing trend of acoustic impedance with depth is correlated with decrease in porosity. (Abstract only) (Summary of sequence stratigraphic study of C Sumatra Late Oligocene. Panggabean (2004). Seismic data may provide indirect evidence of porosity. 1. Firminsyah (2008). Conv. Prawirodirdjo. Indon.. Yarmanto. 63-73. Late Paleozoic ‘BIF-like’ meta-sedimentary rocks outcrop at Tanggamus. (Miocene of Rambutan area. 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('Intrusive rocks and and their influence on coal seams in the Bukit Kendi area. Chacko (1987). Maulana (2000). A.). S Sumatra) Subroto. Pranyoto & R. Proc. Bukit Asam.Current interpretation of regional stratigraphy of Late Oligocene. (IAGI). Tanjung Enim. Assoc.Factors affecting productivity in a shallow shoreface sandstone reservoir: a case study from the Rebonjaro Field. South Sumatra. 1.. Sumberdaya Min. Bock.iagi. Subastedjo. The 30-norhopanes as one of carbonate biomarkers have been proposed recently.pdf) (Banded Iron Formation deposits generally associated with sedimentary or meta-sedimentary rift basins in Archaean. 13th Ann. Three types of source rocks have been recognised in N Sumatra Basin: shale. p. Proc. Jakarta. The Leading Edge 26. (1996). Hendrajaya & D. Indon.. suggesting sand sourced dominantly from N and NE.T.CO2 in South Sumatra. 1-9. Central Sumatra. Conv.Integrated seismic multi-attribute analysis for complex fluvio-deltaic reservoir properties mapping. 1. S. 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(1999).105-125. high % of CO2.5. Hatuwe (1982). 1. F. Indon. (eds. Assoc. (2007).observations and prediction. 4.A. Sumatra fault motion and Sunda Strait opening) Sukmono. Linawati et al. Kadir et al. J. 17. also coal beds) and Upper Red Bed (braided stream.5. p. Sumberdaya Min. 29th Ann.G. V.) Proc.Integrated reservoir characterization of the Kulin Field. No documentation of ages)) Sukarna.. Proc. M. 22.com Nov. K. M.Syn-rift stratigraphy and sedimentation of EoceneOligocene Pematang Group. Central Sumatra Basin. A. A. Ames & E. Sukodri. D. reseroirs complex fluvio-deltaic depositional system. (IAGI). 24th Ann.5. Assoc. Few specific conclusions) Sukmono. p. Kadir. Geodynamics 22. Indon.. 3D seismic used to differentiate sands from shales Five main oil-producing reservoirs.Geometry and fractal characteristics of the Sumatra Active Fault. A. 126-131.Central Sumatra. (Sumatra Fault zone eleven segments. but segmented into several blocks. (Large quantities of gas found in S Sumatra since early 1990’s. Variations suggest Sumatra mainland not rigid. but low recovery (13% after 25 years of production) due to high oil viscosity (20° API) and heterogeneous reservoir. Detailed reservoir model lead to better understanding of complex compartmentalization of stratigraphy) Bibliography of Indonesia Geology v. p. Segmentation may also explain discrepancy between displacement and velocity of Andaman Sea opening. In: Sumatra stratigraphy workshop. Three units: Lower Red Bed (alluvial fan. Assoc. (Minas field 1942 discovery. 65-79. p. CO2 data suggest mixing from organic and inorganic CO2 sources. J. Brown Shale (up to 600m thick. Zen. No simple model for high CO2 (> 40%) gases in low T reservoirs) Sukmono.. Six fractal discontinuities from changes of fractal dimensions and gravity anomaly patterns.Evaluasi kandungan minyak: batasan parameter petrofisika dalam formasi Keutapang dan Baong. 2. et al. Noeradi. Richmond. Assoc. 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Paleomagnetic work suggests paleolatitudes of 30°32°S and counterclockwise rotation) Suwarna.Geologic map of the Sarolangun Quadrangle.early K) Fms and deep marine facies Rawas Fm (Late J.Early K).ESE grabens or half-grabens) Suwarna. Assoc..php/dir/article_detail/283) (Coal samples from Mio-Pliocene Muaraenim Fm of Lematang Depression. Assoc. and intruded by Triassic. Darman & F.97. 141-148.Permian Mengkarang coal facies and environment. HvG) two facies domains: shallow marine Asai (M Jurassic). Suwarna. Mengkarang coal measures up to 1000 m thick. microscopic.Studi sekuen stratigrafi sedimen Miosen cekungan muka busur Nias.4. Dev. online at: http://igcp507. (online at: http://www. Suwarna.Garba Terrane in S Sumatra (= Woyla or W Sumatra Terrane?.22 %). Bandung. exinite (0..000.com Nov. Kusumahbrata (2010). S. Banjarsari. 1.grdc. Indon. Hermanto (1992).pdf) (Analysis of E-M Permian Mengkarang coal from Mengkarang-Merangin. Centre. N.go.bgl. (IAGI). S Sumatra) Suyoko (1996). Proc. Subanjeriji. 1-8. Forum Spec. 2 p. Early Permian brachiopods from Jambi) Syaefuddin (1998). Nine named coal horizons. Indon. Pal. 27th Ann. 269-290.C..esdm. Oil shalebearing formations deposited in WNW. Southern Sumatera. (2006). Panggabean & R. Suharsono.0 96 www. 32 p. 4. Heryanto (2001). South Sumatra. less inertinite. Suwarna.59 %). Amiruddin & Hermanto (1998). 1:250.Penelitian sedimentologi dan paleontologi formasi Mengkarang di daerah Dusunbaru. Geol. Jambi. T. N. 36-39. brachiopods and fusulinids. sedimentology and provenance analyses of the Jurassic-Cretaceous Asai Rawas Group.id/publication/index. (IAGI) and GEOSEA 10. Proc. Bandung. 1. p. Paleoclimates in Asia during the Cretaceous. H. N. & Suminto (1999). Dominant maceral vitrinite.and organic rich mudstones/oil shales of Eo-Oligocene Kasiro Fm good to excellent source potential. Ann. Yogyakarta.id/dmdocuments/jurnal20060101. (IAGI). S. p. Coals formed in wet zone of mire (limnic-telmatic to telmatic wet forest)) Suwarna. Indonesia 5. Res. Jurnal Geol. Indon. IGCP 507 Project Symp. (Sedimentology and paleontology of Mengkareng Fm. (Abstract only. and South Banko Regions. N. C Sumatera. Conv. Proc. southern Sumatera. 1:250. Yogyakarta 2010. Kabupaten Bangko.Ciri-ciri batuan granitoid daerah Tanjungbintang Lampung Selatan.Sedimentology and hydrocarbon potential of the Permian Mengkarang Formation.. p. Jambi. T.id/downloads/cat_view/34-documents) (Jurassic-Cretaceous of Asai. Assoc.esdm. Geol. Kusnama & B.34.go. Geol. p. Publ. Centre. Proyek kajian dan informasi geologi tematik Pusat Penelitian dan Pengembangan Geologi. Sumatera Utara.4 %). Conv.Rawas region of the Southern Sumatra.H. N. Hermianto (2010). South Lampung'. 2011 . Gafoer.0. B. S Sumatra) Tamrin. Petrol. p. 22nd Ann.P. Indon. ('Stratigraphy of the 'Zona Dalam' in Gunung Kemala area. Assoc.Heat flow in the Tertiary Basin of North Sumatra: Proc. p. 127-141. IPA10-G-034. Indon. Cekungan Sumatera Selatan. Sudiono & Widjiono (1998). Geol. p. 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Syafrin. S Sumatra basin') Tamtomo.A. 10p. Indon. Proc. p. Assoc. distribution and implication for exploration play concept. MS Thesis Univ. CCOP. 123-133. Sediment sourced from SW. 2. shallow (~1250m) Lower Keutapang Fm sandstone unit used to delineate gas reservoir.F. In: J. Conf. North Sumatera . North Sumatra. 2. 699-708. Conv. In: Sumatra stratigraphy workshop. Siswoyo & Prayitno (1981). (IAGI). Assoc. BRS structure.C. Conv. (Same as paper below) Tangkalalo.. (Basal Tortonian/ zone N14 Middle Baong Sst interpreted as incised valley system) Syafrin. (IAGI). Indonesia. (IAGI). (Kuang area distribution of Talang Akar reservoirs controlled by basement highs.Stratigrafi zona dalam di daerah Gunung Kemala. Sumatera. & E. K. Bandung.A. Ma'ruf (1993). Ma'ruf & A. p. D. Pangkalan Susu field'. Ma'ruf. Howes & R. p. (Seismic amplitude anomaly in rel. ('Pre-Tertiary reservoirs as exploration play.Transgressive Talang Akar sands of the Kuang area. origin. Assoc.. I. Petrol. Soc.. South Sumatra. 106-116. Tech. M. Aru onshore area. Upper Talang Akar produces in Air Serdang Field) Tangkalalo. M. Conv. 1.Application of surface geochemistry for hydrocarbon detection case study: Panen Field. p. Indon. South Sumatra. B. South Sumatra basin. 2. B.0 97 www. Assoc. 131-145. Paper 25. Indon. Tamtono. Prabumulih'. D. H.. M. 794-802. 2011 . 34th Ann. Proc. Erwinsyah & H. Prabumulih: suatu perspektif baru pada penegasan stratigrafi Paleogen Cekungan Sumatra Selatan.C.Deposition of middle Baong Sandstone as post-rift incised valley sequence. Widianto (1997). Petrol.Gas reservoir delineation of Pantai Pakam Timur field.Eksploitasi hidrokarbon pada endapan turbid lapisan BRS struktur PTB lapangan Pangkalan Susu. Indonesia.com Nov. Assoc. Harun (2008). Novian (1995). Texas at Dallas. p. Abad 21 case study in the Beringin region. K.Syafri. Jabung Block. Proc. M. Geol.. A.. D. Proc. San Antonio 1997. Artono (1998). 301-312.F. Yuswar & E. Petrol. Geol. Petroleum systems of SE Asia and Australasia.Preliminary study of hydrocarbon potential in old oil wells of Pulau Panjang Field. 4. Caughey & J. Duri (Riau) 2005. Jambi. Assoc. Gas Habitats of SE Asia and Australasia.Indonesia. (On gas anomalies from surface geochemistry sampling in Jabung Block. Eng. and stratigraphic traps form as onlaps along flanks of highs.) Proc.V. Aayuba. In: C. p. Chairul (1997). 58. Bibliography of Indonesia Geology v.vangorselslist.Coal exploration in Mampun Pandan Area. . 57('Remarks on Cycloclypeus from Sipura. Akad Wetensch. Assoc.uk/gg/sumatra/documents/tappin_etal_sumatra_mass_wasting_2007. composed of granite (K/Ar age ~180 Ma. Nephrolepidina spp. 27th Ann. (online at: http://www.pdf) (Evaluation of bituminous shale ('bitumen padat') deposits in the 'Lower Telisa Formation' of the Petai area. Mosher (2007). Gisolf.1. 469-489. (Permian brachiopod Leptodus collected by Musper from Padang Highlands.Sunda Trench collision at ~1. Off Sumatra most sediment derived from oceanic plate.F.dwc. S.esdm.knaw. N. p.C.bgl. Proc. p.) and Late Miocene (Tf with Pliolepidina and Cycloclypeus cf. Dienst Mijnbouw Nederl. Assoc.C. Mijnbouw 15. (2005). Proc.. Anita. Kluang Limestone and low-grade metamorphics) Teerman. De Mijningenieur 13. 661-670. Sumatra's Westkust). Nederl. Part of 'Malacca Microplate'.Bemerkungen uber die Cycloclypeen von Sipoera (Mentawai-Inseln). Mentawai Islands') Tappenbeck. H. p. Proc. Bibliography of Indonesia Geology v. Wetensch.DIM. C. seismic and seabed photography reveals common seabed failures.. T. Lykousis (ed.Tan Sin Hok (1933).P..ac. Geol. Conv.%20Pros_petai_No. A.Bijdrage tot de geologie van de Gajo-Lesten en aangrenzende gebieden. 50 (1921). (Early geological survey of Gajo-Lesten region. Indie 25.D. 327-336. 65-82. S Sumatra. D.Mass wasting processes. p.go. Makassar. tenuis (Waagen) vom Padanger Oberland (Mittel Sumatra). McNeil .Uber Tertiare Foraminiferengesteine von Sipoera (Mentawei-Inseln).Evaluation of the source rock potential of Sumatran coals by artificial maturation of coal.soton. 2011 . Henstock & D. 18th Ann. 1. 7. 187-268). (online at: http://www. 10 p.vangorselslist. & C. 2. (1924). Larger foraminifera in M Eocene black limestone (zone Ta with Assilina. 16-20. attributed to Ninetyeast Ridge.Jabung block basement. Verhand.Redevelopment of Puyuh oil field (South Sumatra): a seismic success story. Miogypsina.com Nov. Oost-Indie.Voorloopige mededeeling over een geologischen verkenningstocht op de eilanden Siberoet en Sipoera (Mentawi-eilanden. 36th HAGI and 40th IAGI Ann. (2011). p. Proc. 1. guembelianus) marl and limestones) Tappin. Large landslides usually form in areas of high sediment input. C Sumatra. 4. 30. Amsterdam 39. Puyuh-1 tested 625 BOPD from 1582-1600 m) Tarsis A. In: V. p. Aceh. L. Kolokium Hasil Lapangan. Kuantan Singingi regency. 5. Meded.pdf) (Mapping of convergent margin offshore Sumatra using swath bathymetry.id/kolokium/Batubara/30. Miharwatiman. Advances in Natural and Technological Hazards Research 27. 66-70.J. (online at: http://psdg.Uber Leptodus (Lyttonia auctorum) cf. (On hydrocarbon potential of fractured Pre-Tertiary basement rocks in Jambi sub-basin. Indon. W Sumatra.) Submarine mass movements and their consequences. (1993 Puyuh oil discovery in small domal closure in ?Oligocene Upper Lemat Sst in NE part of Corridor PSC.0 98 www.. Petrol. Conv. 3rd Int. Petrol. Symp. (1936).their characteristics and their economic potential. & Agus H. SW part of teh C Sumatra basin) Taverne. Springer. Early Miocene (zone Te with Spiroclypeus. Jaarboek Mijnwezen Nederl. M..J. JCM2011-002.9. E Jurassic).S. but mainly small-scale blocky debris avalanches and sediment flows. Hwang (1989). & R. offshore Sumatra. D. Other Leptodes in Indonesia only known from Timor) Tan Sin Hok (1936). and little sediment entering system from adjacent land areas. N Sumatra) Teguh F. J. confirms presence of rocks of younger Permian in Sumatra. p. 2005.R. p.186 (followed by petrographic rock descriptions by W. Kon.5 Ma) Tarazona. Indon. p. p. 162.pdf) ('On Tertiary foraminifera rocks from Sipura (Mentawai Islands)'.noc.Inventarisasi bitumen padat dengan metoda "outcrop drilling" di daerah Petai Kabupaten Kuantan Singingi Provinsi Riau. Terpstra.10. Conv. Input from oceanic source limited due to diversion of sediment entering subduction system. (1932). Nummulites).nl/DL/publications/PU00016907. Caughey (1999).30. ('Preliminary note on a geological reconnaissance trip on the islands of Siberut and Sipura (Mentawai Islands, Sumatra W coast)'. On Siberut no Pre-tertiary rocks. On Sipura schists and amphibolites, but mainly Tertiary similar to Siberut. Between Tertiary rocks serpentinized basic volcanics and dikes of andesite and basalt) Terres, R.R. & Soejanto (1995)- Central Sumatra prospect evaluation, structural and stratigraphic fluid barriers and hydrodynamic systems as indicated by wireline formation pressures. Proc. 24th Ann. Conv. Indon. Petrol. Assoc., 1, p. 19-32. Tesch, P. (1916)- Permische trilobieten van Atjeh. Tijdschr. Kon. Ned. Aardrijksk. Gen. Ser. 2, 33, p. 610-611. ('Permian trilobites from Aceh'. Two species of trilobite casts in dark red, tuffaceous marly rock, associated with corals, crinoids, brachiopods and gastropods, previously reported by Klein 1916 as presumably Devonian. Species very similar those described form Permian in Timor) Thamrin, H.M. (1985)- Studi pendahuluan prospek batubara di lapangan Benuang Sumatra Selatan. Proc. 14th Ann. Conv. Indon. Assoc. Geol. (IAGI), p. 223-231. ('Preliminary study of coal prospects in the Benuang field, S Sumatra') Thamrin, M. (1980)- Heat-flow in the Tertiary basin of North Sumatra, Indonesia. Proc. 17th Sess. Comm. Coord. Joint Prosp. Min. Res. in Asian Offshore Areas (CCOP), Bangkok, p. 394-408. Thamrin, M., Siswoyo, S. Sandjojo, Prayitno & S. Indra (1980)- Heat flow in the Tertiary basin of South Sumatra, Indonesia. Proc. 16th Sess. Comm. Co-ord. Joint Prosp. Min. Res. in Asian Offshore Areas (CCOP), Bandung 1979, p. 250-271. (Heat flow of S Sumatra basin determined from 358 wells in 54 oil fields. Average heatflow 2.58 Mcal/cm sec. Centre of basin rel. cool with <3 HFU, NE and SW flanks >3 HFU) Thesly, H.D., D.S. Asra, E.I. Gartika, T. Febriwan & J.J.Wood (2010)- Integrated geology and reservoir study in determining hydrocarbon reserves in Pangkal field, South Sumatra. Proc. 39th Conv. Indon. Assoc. Geol. (IAGI), Lombok, PIT-IAGI-2010-170, 8p. (Reserves study of Pangkal field in Palembang High area, S Sumatra basin, NE of Kaji Semoga field (= Medco Langkap field). Discovered in 1987; 35 wells drilled; current production 1400 BOPD from 14 wells. Reservoir Talang Akar Fm stacked fluvial channel sandstones with 15-21% porosity. OOIP of field is 24 MMBO, EUR 7 MMBO, cumulative oil production 5 MMBO) 'T Hoen, C.W.A. (1922)- Verslag over het onderzoek der Tertiaire petroleumterreinen ter Oostkust van Atjeh (terrein Atjeh II). Jaarboek Mijnwezen Nederl. Indie 48 (1919), Verhand. 1, p. 163-229. ('Investigation of the Tertiary petroleum terrains of the East coast of Aceh (terrain Aceh II), N Sumatra') 'T Hoen, C.W.A. (1931)- Mededeeling over een vondst van diamanten in de Siaboe Rivier, ten zuiden van Bangkinang (Midden-Sumatra). De Mijningenieur 13, p. 176-178. ('Communication on a discovery of diamonds in the Siabu River, S of Bangkinang (C Sumatra)'. About 150 small diamonds found during exploration for tin ore. Bedrocks is Tertiary clay-shales and granite. Diamonds were found in the parts of the kaksa richest in tin ore) 'T Hoen, C.W.A. (1932)- Oliesporen in het Oembilin kolenveld. De Mijningenieur 13, p. 194 ('Oil traces in the Ombilin coal field'. Exploration well penetrated coal between 190-208m and another thin (20cm) coal at 272m. At 283m a 4m thick oil-stained sandstone from which a few liters of oil were obtained) Thomas, L.P. (2005)- Fuel resources: coals. In: A.J. Barber, M.J. Crow & J.S. Milsom (eds.) Sumatra- geology, resources and tectonic evolution, Geol. Soc., London, Mem. 31, p. 142-146. (Brief overview of coal distribution in N, C and S Sumatra. Producing mines only in Central Sumatra (Ombilin; Eocene-Oligocene), S Sumatra (Late Miocene- Pliocene) and Bengkulu (Miocene) Basins) Thompson, M. L. (1936)- The fusulinid genus Verbeekina. J. Paleont. 10, 3, p. 193-201. Bibliography of Indonesia Geology v. 4.0 99 www.vangorselslist.com Nov. 2011 (Eight species of Permian fusulinid genus Verbeekina from Padang Highlands, W. Sumatra) Thompson, M.L. (1936)- Lower Permian fusulinids from Sumatra. J. Paleont. 10, 7, p. 587-592. (New species of Lower Permian fusulinids Schwagerina and Pseudoschwagerina from ~100’ thick "Productus limestone" of Telok Gedang, C Sumatra (Merangin?). Overlain by Soengi Garing plant beds) Tien, N.D. (1986)- Foraminifera and algae from the Permian of Guguk Bulat and Silungkang, Sumatra. United Nations CCOP Techn. Bull. 18, p. 138-147. (Two Permian limestone localities from Padang Highlands, C Sumatra. Guguk Bulat reefal limestone with corals and diverse fusulinid and small benthic foram assemblages) Tien, N.D. (1989)- Lower Permian foraminifera. In: H. Fontaine & S. Gafoer (eds.) The Pre-Tertiary fossils of Sumatra and their environments, CCOP Techn. Papers 19, Bangkok, p. 71-93. (Rel. rich Lower Permian foram assemblages of fusulinids and smaller benthic forams from W Jambi province) Tien, N.D. (1989)- Middle Permian foraminifera. In: H. Fontaine & S. Gafoer (eds.) The Pre-Tertiary fossils of Sumatra and their environments, CCOP Techn. Papers 19, Bangkok, p. 113-148. (Review of M Permian foraminifera from four areas on Sumatra, incl. rich basal Murghabian fusulinid assemblage at Bukit Pendopo outcrop, S Sumatra) Tiltman, C.J. (1990)- A structural model for North Sumatra. Lemigas Scient. Contr. Petrol. Science Techn., Spec. Issue, p. 24-44. Tissot van Patot, A. (1920)- Aanteekeningen uit de Bataklanden. Verhand. Geol. Mijnbouwk. Gen. Nederl. Kol., Geol. Ser. 5, 2, p. 37-52. (‘Notes from the Batak Lands’. Notes on volcanoes between Lakae Toba and W coast of N Sumatra) Tiwar, S. & J. Taruno P.H. (1980)- The Tanjung (South Kalimantan) and Sei Teras fields (South Sumatra): a case history of petroleum in Pre-Tertiary basement. Proc. 16th Sess. CCOP, Bandung 1979, p. 238-249. (Part of oil production in Stanvac NE Teras field, S Sumatra basin, is from Pre-Tertiary weathered and fractured volcanics and volcanoclastics. Cumulative production since 1977 about 15,000 BO) Tjia, H.D. (1970)- Nature of displacements along the Semangko fault zone, Sumatra. J. Tropical Geogr., Singapore, 30, p. 63-67. (One of first papers to recognize Central Sumatra fault zone as major left-lateral wrench fault) Tjia, H.D. (1977)- Tectonic depressions along the transcurrent Sumatra fault zone. Geol. Indonesia 4, 1, p. 1327. (Depressions along Sumatra fault zone tied to dextral strike slip movenment. About 25 km horizontal displacement since Late Miocene. Offset of Jurassic outcrops suggest total displacement may be 180 km. Fault zone at least 18 segments, mainly en echelon arrangement) Tjia, H.D. (1989)- Tectonic history of the Bentong- Bengkalis suture. Geol. Indon. 12, 1 (Katili Volume), p. 89111. (Bentong suture in Peninsular Malaysia continues into Bengkalis depression of Sumatra until it abuts against Tigapuluh Mts. Suture separates Gondwana terrane in W from Cathaysian terrane in E) Tjia, H.D. & T. Boenteran (1969)- A morpho-structural study of Nias. Bull. Nat. Inst. Geology and Mining, Bandung 2, 2, p. 21-28. Tjia, H.D. & K. Kusnaeny (1976)- An Early Quaternary age of an ignimbrite layer, Lake Toba, Sumatra. Sains Malaysiana 5, 1, p. 67-70. Bibliography of Indonesia Geology v. 4.0 100 www.vangorselslist.com Nov. 2011 Tjia, H.D. & M. Posavec (1972)- The Sumatra fault zone between Padangoenjang and Muaralabuh. Sains Malaysiana 1, 1, p. 77-105. (Study of complex fault displacements along right-lateral Sumatra Fault zone. Jurassic-Triassic outcrops suggest dextral offset between 190-270 km) Tjia, H.D. & R.F. Muhammad (2008)- Blasts from the past impacting on Peninsular Malaysia. Geol. Soc. Malaysia Bull. 54, p. 97-102. (online at: http://geology.um.edu.my/gsmpublic/BGSM/GSM%20Bulletin%20No54%20Paper16.pdf) (At Plio-Pleistocene transition 3 large volcanic centres in Barisan Mts., Sumatra, began producing large amounts of felsic tephra and pyroclastic flows. At Toba perhaps 4 paroxysmal events between 1.9 Ma- ~30 ka. Centres marked by 100's of m of ignimbrite, pyroclastic tuffs and air-fall tephra. Air-fall tuff identified throughout Peninsular Malaysia, up to 1m thick and generally attributed to single 'Toba eruption' at 70-75 ka, but possibly multiple eruptions) Tobler, A. (1903)- Einige Notizen zur Geologie von Sudsumatra. Verhand. Naturf. Ges. Basel 15, 3, p. 272-292. (‘Some notes on the geology of South Sumatra’) Tobler, A. (1906)- Topographische und geologische Beschreibung der Petroleumgebiete bei Moeara Enim (Sud-Sumatra). Tijdschrift Kon. Nederl. Aardrijksk. Gen. 23, p. 199- 315. ('Topographic and geologic descriptions of the petroleum areas near Muara Enim, S Sumatra'. With geologic maps, cross-sections, etc.) Tobler, A. (1907)- Uber das Vorkommen von Kreide- und Carbonschichten in Sudwest-Djambi (Sumatra). Centralblatt Min. Geol. Palaont. 16, p. 484-489. ('On the occurrence of Cretaceous and Carboniferous beds in SW Jambi, Sumatra’. Batu Kapur locality on the Limoen river steeply dipping dark limestones and claystones with Lower Cretaceous ammonites, poosibly underlain by Carboniferous and unconformably overlain by Upper Palembang beds. Similar Cretaceous outcrops with ammonites near Poboengo village. Macrofossils described by Baumberger (1925)) Tobler, A. (1912)- Voorlopige mededeeling over de geologie der Residentie Djambi. Jaarboek Mijnwezen Nederl. Oost-Indie 39 (1910), Verhand., p. 1-29. ('Provisional note on the geology of the Jambi Residency’. Brief overview of Jambi work; subsequently reported in great detail by Tobler in 1918, 1922) Tobler, A. (1913)- Korte beschrijving der petroleum terreinen gelegen in het zuidoostelijk deel der residentie Djambi (Sumatra). Jaarboek Mijnwezen Nederl. Oost-Indie 40 (1911), Verhand., p. 12- 28. ('Brief description of the petroleum terrains in the SE part of the Jambi Residency, Sumatra'. Detailed mapping of surface anticlines. Numerous oil-gas seeps) Tobler, A. (1914)- Geologie van het Goemai gebergte (Res. Palembang, Zuid Sumatra). Jaarboek Mijnwezen Nederl. Oost-Indie 41 (1912), Verhand., p. 6-49. (‘Geology of the Gumai Mountains, Palembang Residency, S Sumatra’) Tobler, A. (1917)- Uber Deckenbau im Gebiet von Djambi. Verhandl. Naturf. Ges. Basel. 28, 2, p. 123-147. ('On the nappe structures in the Jambi area, Sumatra') Tobler, A. (1918)- Korte beschrijving van het petroleum gebied van Midden-, Noordwest en Noord-BenedenDjambi. Jaarboek Mijnwezen Nederl. Oost-Indie 45 (1916), Verhand. II, p. 141-201. (‘Brief description of the petroleum areas of Central, NW and North Lower Jambi’, C. Sumatra. Not-so-brief overview of stratigraphy and descriptions of 26 anticlinal structures. With 1:200k scale geologic map and 1:25,000 scale maps of 20 anticlinal structures) Tobler, A. (1922)- Djambi verslag. Uitkomsten van het geologisch- mijnbouwkundig onderzoek in de residentie Djambi 1906-1912. Jaarboek Mijnwezen Nederl. Indie (1919), Verhand. III, p. 1-585 + Atlas Bibliography of Indonesia Geology v. 4.0 101 www.vangorselslist.com Nov. 2011 (Extensive report on geological survey of Jambi province, including parts of the Barisan, Pre-Barisan and ‘Schiefer barisan Mts., the Duabelas Mts, Tigapuluh Mts and sedimentary basins in-between. Petroleum geology already described in Tobler (1918). Cross-sections show large thrust sheets of ‘normal’ PermianMesozoic sediments over highly folded metamorphic Mesozoic and older rocks (“Schieferbarisan’). Upper Miocene coals autochtonous and widespread, but thinner (~3-4m) than in Muara Enim area to S, and thinning in N direction. With 1:200,000 scale geologic map on 4 sheets) Tobler, A. (1923)- Unsere palaeontologische Kenntniss von Sumatra. Eclogae Geol. Helv. 18, 2, p. 313-342. (‘Our paleontological knowledge of Sumatra’. Localities of Carboniferous- Neogene macrofossils) Tobler, A. (1925)- Mesozoikum und Tertiar des Gumaigebirges. Verhand. Geol.-Mijnb. Gen. Nederl. Kolon., Geol. Ser. 8 (Verbeek volume), p. 521-535. ('Mesozoic and Tertiary of the Gumai Mts', S Sumatra. Anticlinorium with core of Pre-Tertiary metamorphics, tuffs, diababse and ?Triassic and Upper Cretaceous limestones. Unconformably overlain by ?Eocene quartz sandstones with fossil wood. Miocene Gumai marine shales, locally with reefal limestone (Baturaja Fm) at base; much thicker in East (1500m) than in West (300m). Capped by Mio-Pliocene Palembang Beds) Toha, B., K. Aulia & H. Primadi (1999)- High resolution sequence stratigraphy of the Minas oil field: a key reference for reservoir management and EOR oil field development. Proc. 28th Ann. Conv. Indon. Assoc. Geol. (IAGI), Jakarta, p. 167-182. Tonkin, P.C. & R. Himawan (1999)- Basement lithology and its control on sedimentation, trap formation and hydrocarbon migration, Widuri-Intan oilfields, SE Sumatra. J. Petrol. Geol. 22, 2, p. 141-165. (Widuri-Intan oilfields produce from late Oligocene Talang Akar Fm fluvial-deltaic sandstones in NW Asri Basin. Oil in structural and stratigraphic traps in sinuous to meandering channel sandstone bodies. Reservoir sandstone interbedded with mudstone and coal over Cretaceous basement rocks. Four basement lithologies: (1) hornblende granodiorite; (2) metamorphic rocks, mainly mica schist; (3) plugs of metabasalt and related volcanic rocks; or (4) dolomitic limestone. Basement topography influence on later distribution of fluvial channels and sand pinch-outs. Major faults controlled by basement lithology, especially at boundaries of intrusives. NW-SE shear zone offset basement between main Widuri and Intan fields. Lidya field reservoir pinch-out onto eroded areas of basement silicification along shear zone. Drape and compaction of over eroded volcanic plugs defined or enhanced structural-stratigraphic plays. Reservoir at Indri field underlain by dolomitic limestone and exhibits karst sinkhole and collapse structures) Tromp, H. (1918)- De Lematang-kolenvelden. Weekblad voor Indie, 22 Sept. 1918, 24, p. 279-287. (‘The Lematang coal fields’, S Sumatra) Tromp, H. (1919)- De wetenschappelijke en technisch-economische beteekenis der Lematang-kolenvelden. De Ingenieur 40, p. 721-734, 41, p. 747-752 and 43, p. 767-774. ('The scientific and technical-economic significance of the Lematang coalfields) Truscott, S.J. (1912)- Gold and silver in Sumatra. The Mining Mag. 6, 5, p. 355-364. (online at: http://www.archive.org/details/miningmagazine06londuoft) (Brief review of gold mining activities and geology of Sumatra prior to 1912) Tsukada, K., A. Fuse, W. Kato, H. Honda, M. Abdullah, L. Wamsteeker, A. Sulaeman & J. Bon (1996)Sequence stratigraphy of North Aceh Offshore Basin, North Sumatra, Indonesia. Proc. 25th Ann. Conv. Indon. Petrol. Assoc., p. 29-41. (Main results of stratigraphic prospecting: (1) 30 Ma P21 SB marks sudden break from non-marine to bathyal. A downlap or onlap surface of P22 SB represents favorable combination of porous sandstone and top-sealing compact deep-water mudstone. P21 and P22 SBs overlap on seismic sections because of thin sedimentary separation; (2) SBs of N11-N14 should be markers that identify exploration target in Baong sst. N14 Baong lowstand fan identified as stratigraphic prospect) Bibliography of Indonesia Geology v. 4.0 102 www.vangorselslist.com Nov. 2011 Ubaghs, J.G.H. (1941)- The geology of Benkoelen and the oil possibilities. Indonesia Geol. Survey Bandung, Open File Report A41-2, p. 1-35. Ubaghs, J.G.H. (1941)- De geologie van de Lampongsche districten. Indonesia Geol. Survey Bandung, Open File Report, p. 1-24. (‘The geology of the Lampung districts’)) Ueno, K., S. Nishikawa, I.M.van Waveren, F. Hasibuan, Suyoko et al. (2006)- Early Permian fusuline faunas of the Mengkarang and Palepat Formations in the West Sumatra Block, Indonesia: their faunal characteristics, age and geotectonic implications. In: Proc. 2nd Int. Symp. Geological Anatomy of E and S Asia, Paleogeography and Paleoenvironment in Eastern Tethys (IGCP 516), Quezon City, p. 98-102. (Rel. high diversity E Permian fusulinid assemblages in Jambi, associated with famous Cathaysian 'Jambi flora') Umbgrove, J.H.F. (1928)- Neogene en Pleistoceene koralen van Sumatra. Wetensch. Meded. Dienst Mijnbouw Nederl.-Indie 4, 32, p.25- 55. (‘Neogene and Pleistocene corals from Sumatra’. Descriptions of Miocene-Pleistocene corals from N Aceh, collected by 'Mijnbouw' and from other N Sumatra localities collected by Tobler.) Umbgrove, J.H.F. (1928)- Een Zaphrentis van Kota Tengah (Padangsche Bovenlanden). Jaarboek Mijnwezen Nederl. Indie 56 (1927), p. 246-247. (Carboniferous or Permian coral Zaphrentis from limestone collected by Zwierzycki near Kota Tengah, LisunKwantan-Lalo Mts., Padang Highlands, Sumatra) Umbgrove, J.H.F. (1929)- Lepidocyclina transiens, spec. nov. van Sumatra. Wetensch. Meded. Dienst Mijnbouw Nederl. Indie 9, p. 109-113. (New species of Lepidocyclina from marly limestone in Ayer Laje, a few km S of Bataraja, S Palembang, S Sumatra. Embryon advanced nephrolepidine to trybliolepidine. Probably Upper Tf, Middle-Late Miocene age) Untung, M., N. Buyung, E. Kertapati, Undang & C.R. Allen (1985)- Rupture along the Great Sumatran fault, Indonesia, during the earthquakes of 1926 and 1943. Bull. Seism. Soc. Am. 76, p. 313-317. (1943 earthquake at least 2-3 m lateral displacement along 60 km segment) Utomo, W., D. Hendro H.N., K. Simanjutak, A. Krisyunianto & A. Bachtiar (2011)- Characteristic of Pematang facies at Rantauberangin and surrounding area, Riau Province. Proc. 36th HAGI and 40th IAGI Ann. Conv., Makassar, JCM2011-466, 10p. (Late Eocene- Oligocene Pematang Fm in C Sumatra may contain reservoir rocks. Five Pematang facies identified: braided channel, meandering channel, paleosol- braided river, gravity flow (low energy), and debris flow-alluvial fan (high energy) facies. Braided channel facies good reservoir quality, debris flow facies poor. Deposition in semi-enclosed valleys bounded by normal fault creating alluvial fans, some of which poured into deep lakes, with braided and meandering rivers in other end of valley) Vachard, D. (1989)- Microfossils and microfacies of the Lower Carboniferous limestones. In: H. Fontaine & S. Gafoer (eds.) The Pre-Tertiary fossils of Sumatra and their environments, CCOP Techn. Papers 19, p. 31-40. (Rel. rich Lower Carboniferous foraminifera from C Sumatra limestones at least 3 biozones) Vachard, D. (1989)- A rich algal microflora from the Lower Permian of Jambi Province. In: H. Fontaine & S. Gafoer (eds.) The Pre-Tertiary fossils of Sumatra and their environments, CCOP Techn. Papers 19, p. 59-69. (Microfauna of grainstone sample from Pulau Apat, with algae, oncolites, foraminifera (incl. fusulinids) and small volcanic clasts. Warm climate assemblage and probably Late Asselian age . Calcareous algae strong Tethyan affinities) Vachard, D. (1989)- Triassic micro-organisms from the Sibaganding Limestone. In: H. Fontaine & S. Gafoer (eds.) The Pre-Tertiary fossils of Sumatra and their environments, CCOP Techn. Papers 19, p. 179-189. Bibliography of Indonesia Geology v. 4.0 103 www.vangorselslist.com Nov. 2011 Proc. Taylor (1966). Sedim. Tokyo. Toelichting bij Blad 10 (Batoeradja).Geologische waarnemingen in de Gajo landen (N-Sumatra). De Ingen. Presentation of data.Krui’) Van Bemmelen. in which younger acidic volcanoes developed) Van Bemmelen. Indie 59 (1930). Dienst Mijnbouw Nederl.W. (1934).W. in Nederl. Java 1929. (online at http://repository. Magnetic anomalies trend mostly E-W. 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(Description of Early Quaternary fresh-water diatomaceous deposits around Toba caldera lake.ac. H. Earthquake Res. others mainly Denticula species) Bibliography of Indonesia Geology v. R. 87x 31 km. IV. H. p. Bull.p. (Geological observations in conjunction with road building project in ‘Gajo lands’. 4. Ser.W. in Nederl. Formed as large collapse crater. Univ. (Lake Toba in N Sumatra largest lake in Indonesia.Vacquier. ('The Paleogene of Sumatra'. Res. p. 115-124. in the N Sumatra sector of Barisan Mts. Indie 3. p. R.W. Zwierzycki (1936). 71-94. Jaarboek Mijnwezen Ned. Geol. Natuurk. De Ingenieur in Nederl. Inst. 1. R.) Van Bemmelen.W. Verhand. p. N Sumatra. now at 150m above lake level. sect. IIA. 1. p. 4. p.utokyo. (1947).Geothermal and magnetic survey off the coast of Sumatra.000. (1939).vangorselslist. (‘The tectonic structure of South Sumatra’) Van Bemmelen. V.W. Bandung. 7-14. p. Bandung. (1931).Het Boekit Mapas-Pematang Semoet vulkanisme (Zuid-Sumatra). 9. 45p. Indie 94. In: The geology of Indonesia. Tijdschrift Nederl.De tektonische structuur van Zuid-Sumatra. (1930). Sheet 6.dl. R. IX. Some diatomites mainly composed of mainly of Synedra rumpens. Sheet 10. Van Bemmelen.W. (‘Geologic map of Sumatra 1:200k. Critical discussion of Sumatra chapter of Badings (1936) review paper) Van der Marel.Geologische Kaart van Sumatra 1:200. Government Printing Office. R.W. Nijhoff. p.Het Paleogeen van Sumatra.. 57-76. (1941). J. The Hague. Van Bemmelen. R. Semoet acid tuffs) Van Bemmelen. De Ingen.jp/dspace/bitstream/2261/12265/1/ji0442007.pdf) (Band of high heat flow in front of deep sea trench off Sumatra.com Nov. & P. (1932).0 104 www. P. ('On some new discoveries of granite and Triassic in the Lower Rokan and middle Siak regions. P. Tijdschr. 18.Ontginbare kolenlagen in de ommelanden van Benkoelen. (1948). (1913). 180. E Central Sumatra. I. (1860). off W Sumatra) Van der Vlerk. Geol. Same apper as Van Dijk 1864) Van Eek. 181-217. 2. Telisa Fm Early-Middle Miocene with zones Te5. 4.J. etc. Jaarboek Mijnwezen Nederl. Res. (Larger foraminifera from Early Miocene (lower Tf) Baturaja limestones between Batu Raja and Muara Dua. with Miogypsina indonesiensis and Lepidocyclina pilifera.L. p.H. allanite and zircon) Van der Veen. P. p. Tijdschr.vangorselslist. J. 2.Foraminifera from the Telisa and Lower Palembang beds of South Sumatra. 97-120. 259-264. Bengkulu') Van Dijk.Bijdrage tot de geologie van Nias. P. Low hills of Pre-Tertiary granite and quartz sandstone at both sides of Lower Rokan River. (1875). in Bengkulu area. (1875).) martini). Natuurk. Indie 22. allanite and zircon as characteristic minerals of the Toba rhyolite at Sumatra's East coast. De. Sumatra. Nederl. H.Einige foraminiferenfuhrende Kalksteine aus Sud-Palembang (Sumatra).Van der Marel. ('Exploitable coal beds in the surroundings of Bengkulu'. 166-172. Sammlung. ('Lignite of Ketaun in Moko-Moko. 2. and Miogypsina borneensis.Volcanic glass. 225243. P. Nederl. p. 22.. 47-55. Sumatra. Benkoelen. p. (1864). p. Ingen. p. (1930). & J. Indie IV. 121-157. A.0 105 www. D. p. in Nederl.W. p. (1937). Wennekers (1929). Little or no stratigraphic info) Van Es. (Widespread rhyolitic tuff from Toba eruption characterized by common volcanic glass. p. L. Lower Palembang Fm Middle Micene zone Tf3(?). Same paper as Van Dijk 1875) Van Dijk. Lampong Districts. Natuurk. ('Introduction to the geology of Sumatra's West coast') Van Dijk. 4163.Indie 27.L. SW Sumatra.M. Oost-Indie 1875. Natuurk. Quality of coal comparable to SE Kalimantan coal and some localities attractive for exploitation) Van Dijk. ('Exploitable coal beds in the surroundings of Bengkulu'. Eclog. and their significance for the tectonics of C Sumatra'. p. (1864). P. Tijdschr. Sedim. Duson Baru. p. Nederl.Over eenige nieuwe vondsten van granite en Trias on the Beneden-Rokan en MiddenSiak streken en hare beteekenis voor de tektoniek van Midden-Sumatra. 164-167. 4.Zwartkolen in en nabij de Baai van Tapanoeli. De Mijningenieur 8. Miogypsina from4 localities collected by Van Tuyn on Gedongratoe map. ('Black coal in and near the Bay of Tapanuli'. (1860).C. Natuurk. Leiden 9. Ned. Indie 22. Tijdschr. ('Contribution to the geology of Nias'.24-29.com Nov. Jaarboek Mijnwezen Nederl. represent southern continuation of geology of BelitungBangka and W Malay Peninsula) Bibliography of Indonesia Geology v. 2011 . sp. Tf1 and Tf2 larger forams (assemblage A with Lepidocyclina (N) besaiensis n.Ontginbare kolenlagen in de ommelanden van Benkoelen. assemblage B with Miogypsina indonesiensis and M borneensis and Lepidocyclina (T.Bruinkool van Ketaoen in Moko-Moko. S of Palembang) Van Dijk.Zwartkolen in en nabij de Baai van Tapanoeli. Helv. Oost-Indie 1875. Reichs-Mus.E.Inleiding tot de geologie van Sumatra's Westkust. Indie 26. ('Black coal in and near the Bay of Tapanuli'.W. Same paper as Van Dijk 1860) Van Dijk. (Lepidocyclinids. Early survey of Miocene coals at Bukit Sunur. 728-801. P. Rocks collected by Druif: granite.000. Petrol. Ser.Resultaten van geologisch-mijnbouwkundige verkenningen van Midden-Sumatra. Geol. 27-42.J. 241-244. Proc.. Three intrusive phases.J. (Copper-molybdenum deposit at Tangse.).G.G. 82. p. Rich & H.P. (Suggest Eocene water bird fossil initially described by Lambrecht 1931 from lacustrine shales of Ombilin basin should be placed in new pelicaniform family. (1988). E Sumatra) Van Raalten.M. 15km wide in E Sumatra coastal swamp. results of 1937 Losir expedition’) Von Steiger. Jakarta. (‘Exploration in the Gajo Lands. 34 p. Taylor & J.A reappraisal of Protoplotus beauforti from the Early Tertiary of Sumatera on the basis of a new Pelecaniform family. (1922).Chemische analyses van gesteenten van Poeloe Berhala. Res.vangorselslist. Verhand.Exploratie in de Gajo Landen (Algemeene resultaten van de 1937 Losir Expeditie). 4. Ser.. T. C.. 50 (1921). 670673. Neth. Dienst Mijnbouw Nederl.nl/DL/publications/PU00016744. C. termed Tangse stock.0 106 www. Intrusive rocks belong to normal K calc-alkaline suite. Centre. (1924).Mededeeling over het voorkomen van aardolie bij het dorp Kollok.V. Jaarboek Mijnwezen Nederl. Oost-Indie 5 (1876). ('Note on the petroleum occurrence near the village of Kollok. October 28-31. Nederl. Protoplotidae) Van Tongeren. Padang Highlands'. 1. 55. Aceh. 2. Verhand. C. R. Amsterdam. (1876). (1935). Akad. Bandung. p. p. emplaced along segment of transcurrent Sumatera fault system. Oost-Indie. 5.dwc. Assoc. 5.T. Padangsche Bovenlanden. Kon. (1932). Sumatra. p. Aardrijksk. J. Paleont. W.0 m. ('Note on the occurrence of coal beds in the Kacang-Pai creek. Padangsche Bovenlanden.Geologische Kaart van Sumatra 1:200.nl/DL/publications/PU00016908. (1877). 56-94.1 Ma) and hydrothermal alteration-mineralization (9. H. Padang Highlands'.Mededeeling over het voorkomen van koollagen in het beekje Katjang-Pai. Wetensch. G.V. 1. Amsterdam. 2011 . gneiss (very high quartz). 6. (Guidebook for S Sumatra E-W transect from Palembang to Bengkulu) Van Leeuwen. 87-200.Geological fieldtrip to South Sumatra and Bengkulu. Van Schelle.Verslag over het onderzoek van het Landschap Langkat (Oostkust van Sumatra). hosted by multiphase quartz diorite intrusions. East Indies. and is Eward continuation of Palembang~anticline. 42p. Malacca Straits. 39. W.Mineralogical and chemical composition of the syenite-granite from Boekit Batoe near Palembang. Indie.. (1936). 1.pdf) ('Chemical analyses of rocks from Poeloe Berhala'.knaw. p..G. W Sumatra) Van Steenis.knaw. Wetensch. (online at: http://www.. Nederl. Indonesia. Oost-Indie 49 (1920). Marino (1989). W Sumatra) Van Schelle. Low initial strontium isotope ratios prohibit significant involvement of sialic crustal component in magma genesis. (1938). Jaarboek Mijnwezen Nederl. H. 57-75. 1988.J. Oost-Indie 6 (1877). Bandung. p. aplite-pegmatite and lime-silica hornfels. Hutagalung (1987).com Nov. Nederl. 1. p.R. 38.pdf ) (Bukit Batu hill 60 km E of Palembang. (Early geological survey of Langkat region. ('Results of geological-mining reconnaissance of Central Sumatra') Van Tets. Econ.J. Akad. Gen. Proc.dwc. 634-639. Ridge 50km long. N Sumatra. Toelichting bij Blad 7 (Bintoehan). Early report of oil seep in Ombilin Basin. Indon. 5.The geology of the Tangse porphyry coppermolybdenum prospect.H. Jaarboek Mijnwezen Nederl.Van Gorsel. Kon. Mainly composed of Late Miocene Lower Palembang Fm Bibliography of Indonesia Geology v. 188-189. the older porphyries forming bulk of Tangse stock ) Van Lohuizen. M-L Miocene K-Ar ages for intrusion-cooling (13. (online at: http://www. Tijdschrift Kon. Dev. No tin detected) Van Tongeren. Jaarboek Mijnwezen Nederl.y. Geol. p. C. p. 1. Geologische kaart van Sumatra 1:200. Braided river deposits in upper part. Comparisons with E Asian Permian floras of Cathaysian realm indicate Jambi palaeoflora most similar to relatively xeric Cathaysian flora. (Geological map of Sumatra. Nederl.D. comparable in composition to other 'tin granites'. Bandung.claystones. Bandung. followed by alluvial fan conglomerates) Van Waveren. p.naturalis. Lucas & K. J. Floodplain deposits of a meandering system follow marine and deltaic deposits.Mineralogically mature sandstones in accretionary prisms. Natural History & Science. 18 (Gedenkboek Vening Meinesz).Het Oembilin kolenveld in de Padangsche Bovenlanden. Dienst Mijnbouw Nederl. p. 1. possibly indicative of relatively high latitude) Vazquez. Oost-Indie 3 (1874). 1. R. (1957). Oost-Indie 4 (1875). Chaney.G.Composition and palaeogeographic position of the Early Permian Jambi flora from Sumatra. Kon. (2006). paleoecology and paleobotany and sedimentology of the Mengkarang Formation (Early Permian. P. 1-28.Eerste verslag over een onderzoek naar kolen op het eiland Nias.A.repository.com Nov. 135-146. (Mengkarang Fm 360-meter regressive sequence.0 107 www. Sumatra. 685-690. Jambi. In: S. Sedim. 157-163. J. R. ('First report on a survey for coal on the island of Nias'. p. Ueno et al. M. Suyoko. Montpellier April 2006.A. Hasibuan. Mainly coastal plain.E. p. K. Verhand. 30.Mechanism of shallow and intermediate earthquakes in Sumatra.-Indie. Geol. Batholithic rocks outcrop ~5 km2) Van Tuijn.M. Bull.-Indie. M.H. R. A life of ferns and gymnosperms.A.A. 28 p. 2. 1-37. M.M. Velbel.) The non-marine Permian. Booi & J. in accordance with reconstructions that place the W Sumatra Terrane in contact with the Indochina and S Cathaysia blocks) Van Waveren I. (Early Permian Jambi paleoflora is tropical wet flora.Konijnenburg van Cittert (2006). Geol.D. 29. 295-303.Over den ouderdom der steenkolen van het Oembilien kolenveld in de Padangsche Bovenlanden en van de sedimentaire van Sumatra in het algemeen.nl/document/144475) (Revision of E Permian Jambi flora results in lower number of taxa. D.H.L. (1875). p. (1874). 4.. J.Probing the accumulation history of the voluminous Toba magma. In: Galtier Conference. & M.-Mijnbouwk.. W Sumatra) Verbeek. M. J. van Konijnenburg-van Cittert (2007). p. ('On the age of coal of the Ombilin coal field in the Padang Highlnds and of the sediments of Sumatra in general') Verbeek. Wiralaga sheet SE of Palembang.A. M. Toelichting bij blad 9 (Gedongratoe).. with low hills up to 25m elevation. F. (Online at www. 1-28. J. Toelichting bij blad 13 (Wiralaga).Paleogeographic and ecologic aspects of the Early Permian flora of Sumatra (Indonesia). (1937). I. Sumatra's Westkust. Iskandar. p. Jaarboek Mijnwezen Nederl. Ser. (1937). Brachiopods and fusulinids indicate E Permian age. Highest hills formed by syenite.M. New Mexico Mus. Dienst Mijnbouw Nederl. (1985). surrounded by swamps area with near-recent sediments) Van Waveren. Jaarboek Mijnwezen Nederl. 2011 .Geologische kaart van Sumatra 1:200. Jaarboek Mijnwezen Nederl. Verbeek. 991-994. 135. Indonesia). Oost-Indie 4 (1875). de Boer. 3-84.Taphonomy. Van Tuijn. 55. I. Gen. E.M. 333-341. p.000.000. unfossiliferous (M-Late Miocene?) 'Middle Palembang Fm' tuffaceous deposits and lignites.D. (Mid-Tertiary quartz-rich sandstones from Nias Island accretionary prism mineralogically more mature than expected in this tectonic setting. Bibliography of Indonesia Geology v. (1875). p. Booi. Science 305. Scripta Geol. Zeigler (eds.P. Res. quartz-syenitic and granitic rocks. Provenance petrogeneticall may be unrelated to arc-trench system) Veldkamp.. Reid (2004). best matched to S Cathaysian floras.R. composed of weakly folded. J.vangorselslist. 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K.com Nov. high density and poor physical reservoir properties) Yabe. T.B. (Tertiary wrench faulting dominant in C Sumatra basin. Ma Haofan. Petrol. Geol. Petrol. Indon. H. & T. 1 (Katili Volume). low resistance. 18-28. (E Miocene Duri Fm sand reservoirs productive in 12 fields in C Sumatra. 4. Hidrokarbon.part 1. Conv. Mag. H. more likely Pseudocyclammina.Wirjodihardjo. Alif (1977).. (IAGI). 22.AVO-inversion for reservoir characterization of Baturaja carbonate. etc. gas cap 40 m. Sumatera Selatan. p.. Indonesia. p. Febriwan (2008). Saling limestone probably same age as U Jurassic Toriosu Lst of Japan. Jabung Block. (1946). 21st Ann. Japan Acad. 8. IPA08-G-047. p. Proc.. 2011 . p.Further notes on a collection of fossil shells. Malaysia 8. Leiden. basal M Jurassic. 200-203. Wissema.Lower Miocene Duri Formation sands. reservoir thickness 80m.part 2. Y. Bed F coarse grained. 6. Indarung Fm used to determine ~200km of offset along Sumatra fault zone. Carbonates wth coral-like Lovcenipora near base and bedded cherts (Ngalan Mb) near top. (1947).Lw Cretaceous Indarung Fm limestones and clastics exposed near Indarung. A. Jakarta. Proc.jp/…) (On 1943 examination in Bandung of thin sections of Saling Limestone in supposedly Cretaceous volcanic Saling Series of Gumai Mts. (U Jurassic. Aulia (1989). Geol.On some fossils from the Saling Limestone of the Goemai Mts. Plio-Pleistocene deformation NW-SE.) Yarmanto & K. Assoc. by McCarthy et al.Upper Mesozoic strata near Padang. Proc. (online at http://www. 2001. N. Sumatra. Presence of coral-like Lovcenipora and stromatoporoid Myriophorella. Indon. Assoc. 11p. Conv. (Lower Talang Akar Fm in NE Betara Oilfield. Deltaic sands. & S.Indonesia (IAGI) 12. 63-76. poorly sorted and low quality. 145-175. Director of the Geological Survey of the West Coast. Petroleum Sci.jst. Assoc. Proc. older structures trend mostly N-S) Bibliography of Indonesia Geology v. Lovcenipora believed to signify Late Triassic age by several authors. S Sumatra.. few km E of Padang. Geol.On some fossils from the Saling Limestone of the Goemai Mts.Seismic reef expression in the North Sumatra Basin. 117-144. Doct. Geol. Petrol. Conglomerates characterized by low gamma-ray. (1946). 32nd Ann. 5th Ann. (Gunung Kembang gas-oil field in E Miocene Baturaja Fm carbonates in anticlinorium with max. 22. p. 61-74.Statistic "direct HC indicator" terhadap keberadaan HC di blok Raja. Central Sumatra Basin. (2007). Proc. p. derived from North) Woodward. S Sumatra. Verbeek. (1879). 2. & Nazirman (1997). Indon. Li Dongmei et al. p. Japan Acad. p.. A. (1992).. p. Saling series older than mid-Cretaceous Lingsing series quartz sst. 4.E.Young Tertiary and Quaternary Gastropoda from the Island of Nias (Malay Archipelago). Gunung Kembang Field. 6. 1.Alluvial fan facies and their distribution in the Lower Talang Akar Formation. Bull. from Sumatra (obtained by M. (Loftusia bemmeleni Silvestri from Saling Lst. Relative age of formations is reverse of that suggested by Musper) Yabe. Thesis Univ. HvG) Yanto.0 115 www. West Sumatra. Eo-Oligocene and Plio-Pleistocene. in alluvial fan facies. (1976). Sumatra). 259-264.G.Seismic expression of wrench tectonics in the Central Sumatra Basin. Corals described from here not Lovcenipora but Late Jurassic Cladocoropsis miriabilis) Yancey.A. Main deformation phases Pre-Tertiary.go. Conv. Palembang. Northeast Betara Oilfield. Indon. (Criteria for E Miocene reefs recognition on N Sumatra seismic. Palembang. Conv. Proc. Liang Honggang. Sumatra.journalarchive. Wongsosantiko. shale with Orbitolina limestone. 7-212. Xie Chuanli. 26th Ann. AVO inversion used to map oil distribution. 492-500. Volcano-.8 Ma). Pleistocene. In: Palaeolimnology of Lake Biwa. Indon. Proc. Conf. Corridor Block PSC. p. Exh.8 Ma-Recent) linked to widespread inversion of faults and folds.stratigraphic episodes in Balam Depocenter. (On composition and provenance of sandstones of Brani. Proc. Suparka & A.. Publ. IPA10-G-204.. 2011 . Sumatra. Indonesia. Indrawardana & B. Makassar. 36th HAGI and 40th IAGI Ann. Indon. T. Bibliography of Indonesia Geology v. p.III-42. p. S. D.The age of "Old Toba Tuff" and some problems on the geohistory of Lake Toba. T. D. (Three major Tertiary tectonic. (On depositional environment and paleogeography of Early Miocene marine shale-dominated Telisa Fm.com Nov. Giant Bangko and Balam S fields results of F3 structural episode) Yarmanto. Dharma & P. Hehanussa (1989). Eocene (?). p. sixty-five years after first hydrocarbon discovery. Japan.L. Sumatra. Indonesia. Petrol. & B.Porosity determination from seismic data in the Rawa area. E. S. Isopachlithofacies suggest N-S incised braided stream system. (Abstract only) (Mentawai-Bengkulu Forearc Basin two phases of development. Proc. Yokoyama. I.L. Conv. 117-186. Palaeoecol. B. S. W Sumatra) Yokoyama. 24th Ann.F.Re-appraisal of shallow marine reservoirs in the Central Sumatra basin. Nishimura. APEA J. Petrol. 72. (Abstract only) (Sihapas Group 5 major sequences. It cuts across basement platforms and F1 inversion structures and grades laterally into sag disconformities above F1 graben thicks. Indonesia. Yulihanto. A.. Indonesia. & P. Nishimura (ed. Mentawai Sub-basin N-S oriented Late Oligocene.Early Miocene prospective petroleum source rocks. 3 p. CCOP Tech. (1986).Telisa deposition model in the Central Sumatra Basin.) Physical geology of Indonesian island arcs. Proc. C Sumatra) Yeni. Johansen (2006). 13. & B. ENE-trending Antara-Nella Accommodation Zone (ANAZ) subdivides Balam Depocenter into shallow N and deep central sections. First Offshore Australia Conf.. 161-175. Palaeogeogr. Yokoyama. 17. Strong (1995). Other potential reservoirs early M Miocene reefal carbonates in Mentawai Sub-basin. North Sumatra basin. (2011). Ikeda. Rift margin faults N-S (Manggala) or NNW-SSE (Jakun and Balam) and dip E-ENE at low-angles.. High pristane/ phytane ratio and alkanes from waxy material of terrestrial plants. Assoc.Petroleum system of the Mentawai Bengkulu forearc basin. Otofuji. p. Potential reservoir rocks in Eocene and Late Oligocene-E Miocene fluvial-alluvial clastics.E Miocene graben system only. Hehanussa (1981). p. Central Sumatra basin.Yarmanto. Bengkulu Sub-basin developed as NE-SW Paleocene graben. Oligo-Miocene carbonate facies and shallow marine sandstones). Heidrick. PG-07. Indonesia. Indon. magneto. Proc. 33-45.Tertiary tectonostratigraphic development of the Balam depocenter. 143-155. T. Situmorang (2002). B. Youens. Joint..0 116 www. Kadar & S. Jakarta 2006 Int.E. Geosc.. 38. Situmorang (1998). 24th Ann. Y.and chronostratigraphy and the geologic structure of Danau Toba. Formasi Sawahlunto dan Formasi Ombilin ditinjay dari provenance dar komposisi batupasir cekungan Ombilin. Regional base Miocene unconformity marks beginning of F2 tectonism (25.Radiometric ages and paleomagnetism of the Sigura-Gura Formation. Balam depocenter compartmentalized. T. Indonesia.. 9. Conv. upper part of the 'Toba Tuffs' in Sumatra. Palaeoclim. 21p. Bengkulu Basin Eocene lacustrine sediments poorly documented. Y. Conv. 122-143. Assoc. followed by N-S Late Oligocene-E Miocene graben system. 4. T. Muswar. 11p.5 Ma) created N-NNW-trending half-grabens. Final structuring (F3. Dharma (1980).Perkembangan sedimentasi Formasi Brani. Kyoto University. Assoc. 891-892.Oligocene rifting (F1.vangorselslist. Noeradi & Hendar (2010). Regional seal U Miocene-Pliocene marine shales) Yulihanto. In: S. Onshore Late Oligocene. JCM2011-070. ±45–25. Abe.5–13.Structural inversion and its influence on depositional processes in the Aru area. Sawahlunto and Ombilin Fms in Ombilin Basin. Petrol. III-25. p. West Sumatra. little or no supporting data) Yarmanto. Bandung. 11th Offshore SE Asia Conf. 169-176. Assoc.Hydrocarbon potential of the Mentawai forearc basin.. J. Sosrowijoyo (1996).W. IPA11-G-108. B.. (IAGI). p. Lombok. Geol.Geological contributions to the enhanced oil recovery project at the Kenali Asam Field. West Sumatra.S. 2011 . Post-Convention field trip. Geol. Sumberdaya Min. M. Kedurang Graben in SE. Conv. 4. Denk & Suprihatin (1993). Geol.) Yuwono. Kirana. 7-25' thick. p. Biogenic gas origin demonstrated by carbon isotope d13C values of -62 to -66 ‰. 2. Fitriana. conglomerates. 85-96. (Two asymmetrical grabens in area. Assoc. Indon.A. 39th Ann. 793-793. Sieh. B. (Same paper as above) Zachariasen. Future exploration may be concentrated in Paleo-Eocene and Oligo-Miocene grabens) Yulihanto.S. B. Two rift phases: NE-SW Paleogene grabens. 28-48. Main gas sands in Late MiocenePliocene Binio Fm coastal deposits. Seismol.com Nov.Yulihanto. Sieh.B.. Zachariasen. claystones. Yuwono. R.. Edwards & W. Yulihanto. 35th Ann.. Taylor & W. 895-919. tuffaceous shales and limestones).Constraints on the new exploration strategies in the future for the Bengkulu forearc basin.S.S. F. Indonesia. Proc. Basin subsidence continued during Late Miocene-Pliocene (littoral Simpangaur Fm). A.Djaelani & B. Petrol. Reservoirs 600'-2000' below sea level. Widjaja.L. Petrol. p. K. R. R. Conv. Conv.Biogenic gas exploration and development in Bentu PSC.shallow marine Seblat Fm sst. but some bright spots are coals or thin stacked water sands. In: Proc. Res. Yulihanto.W..0 117 www. Hantoro (1999).A. Pagarjati Graben in NW. First transtensional episode in Oligo-Miocene (fluvial. Jour. Bull. 12. 17 p.Tertiary inversion tectonics in the North Sumatra basin. p. J. & B.Djaelani & B. K. Assoc. Bibliography of Indonesia Geology v. B. Indon. 104. 897-913. Sjafwan (2011). Situmorang. Assoc. Indon. Singapore 1996. B. Petrol. 16p. Fitriana. partly inverted in M-L Miocene with various potential hydrocarbon plays) Yunus. Indon. B.S.. in NW-SE anticlines.W. Geophys. and excellent porosity. Shallow marine Plio-Pleistocene Bintunan Fm deposited during Barisan orogeny basin uplift and volcanic activity. (IAGI). 90. F. Formerly considered drilling hazard in search for deeper oil. Hantoro (2000). related to dextral motions along Sumatra Fault System. October 1996. Seismic data shows strong amplitude anomalies. (Series of N-S trending Paleogene grabens. 68p. Sofyan. p. Indon. A. S. B. Exploration potential in Pagarjati and Kedurang Grabens in Seblat Fm sands and M Miocene limestones and potential source rocks in organically rich Lemau Fm. Proc. separated by N-S trending Masmambang High. Am. Assoc. Sjafwan (2010). Taylor. Prior to M Miocene Barisan Range uplift Bengkulu basin was comnnected to S Sumatran basin. Nurdjajadi & S.Submergence and uplift associated with the giant 1833 Sumatran subduction earthquake: evidence from coral microatolls. may be potential for lacustrine source rocks) Yulihanto.. Petrol. Proc. Wiyanto (1999). S. Conv. J.vangorselslist. P.. 24 p. B. S. Soc. Conv. Hastuti (1996). Indonesia. If Paleogene basin initiation model is accepted.W. S. Situmorang (2002). Rejuvenation of extensional faults in M-L Miocene (Lemau Fm sst. & I. coals). Nurdjajadi & B.Modern vertical deformation above the Sumatran subduction sone: paleogeodetic insights from coral microatolls. overprinted by N-S Oligo-Miocene grabens.. 24th Ann. (Bentu and Korinci Baru PSC in C Sumatra contain biogenic gas fields with up to 350 BCF of biogenic gas.Bengkulu forearc basin (South Sumatra). PIT-IAGI-2010-226. Kirana. Proc. p. Indon. 27th Ann. Assoc. & B. (W Sumatra Bengkulu forearc basin exploration mainly targeting Miocene carbonate buildups and E Miocene basal sandstones.Bentu & Korinci Baru block: proven and potential shallow biogenic gas in Central Sumatra Basin. 22nd Ann. Sain (1995).. now producing. Proc.S. 130. B.Structural analysis of the onshore Bengkulu basin and its implications for future hydrocarbon exploration activity. P. p.html. Exemple de Sumatra. Trollope & E. Geochemical character reflects backarc-side of volcanic arc) Zulkarnain.F. Univ. (Earthquakes in W Sumatra either shallow and related to subduction or related to right-lateral Sumatra Fault) Zen. Represent first discovery of bird footprint fossils in Indonesia) Zeliff.0 118 www. 33-69.First evidence of Miocene avian tracks from Sumatra.com Nov. K. S Sumatra tested gas in fractured pre-Tertiary granite wash and granite. Bull.T. AAPG Int. AAPG Bull. Exploration by BPM (Shell) in early 1890's. Sumatera dan implikasi tektoniknya. 2011 . p. Gunnell. 50 km WNW of Palembang. South Sumatra. M.G. 1-8. Maulana (1985). Berita Sedim. Inst. and their genetic implication. Coal grade improved by andesite intrusives) Ziegler. Tekn. p. (2007). 5-6. p. p. Bandung J. T. Bastian (2000). Bibliography of Indonesia Geology v. 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(Investigation of six surface asphalt deposits near Tanjung Laut. Jakarta 1987. ('Deformation of the fore-arc in response to oblique convergence. Verh.Origin of Lake Singkarak in the Padang Highlands (Central Sumatra). which are large degraded oil seeps in outcropping ?Pliocene clastics) Zulkarnain. Ombilin Basin E Miocene intertidal beach sediments of Sawahlunto Fm with tracks of two different types of shorebirds.J. (‘Geochemical variation of volcanic rocks in the Bengkulu area in the Barisan mountain belt and tectonic implications’. Jurusan Geol. resulted in several small.Krakatau and the tectonic importance of Sunda Strait. (1989). Low level of activity post World War II through late 1960's. but Singkarak Trough is fault-bounded depression.or. J.L.T.. K. Magma “one” in E area indicates young (<30 Ma) and hot subducted slab involved in subduction. Conv. Y. Institut de Physique du Globe. (1922). Zen. G. (Lake Singkarak in Padang Highlands previously interpreted as volcanic caldera.vangorselslist. producing adakite-like volcanics. Palembang). Palembang).Exploration cycles in the Corridor Block. p. Situmorang (ed..Geochemical character of Hulusimpang Formation volcanics around Kota Agung area. 1. (1921). 1. Tekn.Verslag over de resultaten van geologisch. (1983). (2007). with Tanjung Laban and Ramba fields discoveries in 1982). Verh. (online at: http://www. Gulf discovered 8 gas fields where basement rocks represent primary reservoir) Zeliff. Katili (1967).G. Bengkulu volcanics derived from two sources. I. Science 5. Jaarboek Mijnwezen Nederl.W. 3. 2.) Zen. 9-22.. with 12 coalbeds in Middle Palembang Fm.W.Seismicity of the Sumatra fault zones. C. S Sumatra. 141-189.Variasi geokimia batuan volkanik daerah Bengkulu di sabuk pegunungan Bukit Barisan.Verslag over het onderzoek der asfalt-terreinen by Tandjoeng Laoet (Res. 6th Reg. In: B. Assoc. Stidham & R. Petrol. p.. p.iagi.T. stretching for 1650 km from Sumatra’s N tip to Semangko valley in SE. Geology Mineral Hydrocarbon Res. 84..W. S.) Proc.A. p.example of Sumatra') Ziegler. Jaarboek Mijnwezen Nederl. Proc. Indie 47 (1918). REE diagrams suggest Hulusimpang Fm rocks derived from same magma source. 11-71. Provinsi Bengkulu.0 119 www.Toelichting bij blad VII (Tapanoeli. Petrographic analysis of Mesozoic basaltic samples indicates island-arc/ back-arc marginal basin tectonic setting. p. Triassic-Jurassic granitic rocks. Oost Indie 58 (1929). Mesozoic granitic rocks and Miocene andesite reflect active continental margin) Zwierzycki. Jaarboek Mijnwezen Nederl. (Map sheet SE tip of Sumatra. J. 30p. J.1. 72-192. (Geological overview map 1: 1 million.Petrogenesis batuan vulkanik daerah tambang emas Lebong Tandai. Magma activity since >30 Ma in back-arc environment. Verh. Jaarboek Mijnwezen Nederl. and Miocene andesite from Madina Regency area. (1918). Dienst Mijnbouw Nederl. J. transitional between calc-alkaline and tholeiite. J.(Hulusimpang Fm Oligocene. Jaarboek Mijnwezen Nederl.Geologische beschrijving van het eiland Poeloe We. 57-73. North Sumatra. p. Crystalline schists.-Indie.000. Tertiary. (2008). p.E Miocene volcanics mainly in S Sumatera Bengkulu and Lampung Provinces and associated with gold mineralization.000.Quaternary rocks exclusively volcanics) Zwierzycki. Permo-Carboniferous and Jurassic unconformably overlain by Paleogene sands and Neogene clastics and limestones With 1:100. Verh. Jaarboek Mijnwezen Nederl.Geologische kaart van Sumatra 1:200.J. Jurnal Geologi Indon. Around Kota Agung bimodal medium-K calc-alkaline magmas of basalt and dacite. Jaarboek Mijnwezen Nederl. onderafdeeling We der afdeeling Groot Atjeh. J. Central Sumatra. 1-10. (1922). (2009). Twiss) (1922). locally overlain by folded Cretaceous clastics with mid-Cretaceous Orbitolina in adjacent map sheet. presumably Pre-Cretaceous. schaal 1: 1000. 30 p.Toelichting bij blad VIII (Midden Sumatra. Zulkarnain 2007) Zulkarnain. berdasarkan karakter geokimianya. schaal 1: 1000. presumably pre-Carboniferous. composed of young andesitic volcanics only) Zwierzycki.Geologische kaart van Sumatera.000. schaal 1: 1000.000. (Permian-Triassic basalts. Oost-Indie 48 (1916). schaal 1:200 000. Sumatra’s westkust). p.Geochemical signature of Mesozoic volcanic and granitic rocks in Madina Regency area. (1930). Toelichting bij Blad 2 (Kotaagoeng).VIII. Bibliography of Indonesia Geology v. and its tectonic implication. Aceh.Geologische overzichtskaart van den Nederlandsch Oost Indischen Archipel. Verh.. (Geological description of Pulau We. (Geological reconnaissance of Young Tertiary area of NW Aceh. p.1. C Sumatra) Zwierzycki. 3. (1932). 4.Geologische overzichtskaart van den Nederlandsch Oost Indischen Archipel. similar to backarc “magma one” of Bengkulu. (1922).VII: Tapanuli.-Indie. Oost Indie 48 (1919). 2. J. Oost Indie 48 (1919). 4.Toelichting bij blad 1 (Noord Sumatra). 73-157.000 scale map) Zwierzycki. Indonesia. Gold mineralization corresponded with observation from Phillippine that adakitic rocks contain higher gold concentration than calc-alkaline rocks) Zulkarnain. intruded by granites. Verh. J. Oost Indie 48 (1919). Dienst Mijnbouw Nederl. Jurnal Geologi Indon. I. 1. 117-131. I. 2. p. Island off NW tip of Sumatra. Absence of andesitic rocks indicates change from basaltic to dacitic caused by contamination processes instead of fractional crystallization or magmatic differentiation. Verh. 2011 . p. Hulusimpang Fm volcanics dominated by andesites with minor dacite and basalt. W Sumatra Block.com Nov. Derived from adakitic source. (Lebong Tandai in N Bengkulu known as gold mine since Dutch time. 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Rapid end Miocene sea level riset caused major backstepping of carbonate margins (and drowning of Natuna field carbonate platform to E) resulting in smaller platform in Lower Pliocene. Developed with four seafloor completions) Bachtel. (1986). p. Strong seismic amplitude anomaly over crest. Kissling. with 'flatspots' around flanks of structure and gas-charged in Tenggiri 1 and Mako 1 wells) Bhikuningputra. 345-351. Shepstone. 1. Hains. Petrol. Indonesia. Proc. United Nations ECAFE. initial stage being mild. Willis & S. (Structures in W Natuna Basin formed during two deformation periods: (1) extension from ~38-29 Ma. I. Sihombing & R. J. (2) compression. 1. 35th Ann. Assoc. Hendro (1996). Muda regional unconformity developed during late Middle Miocene and early Late Miocene and was subsequently deformed by compression. 14th Ann. Hartadi. p.P. Compression started in latest Late Oligocene. Indonesia. (2005)-Tectonic evolution and structural styles of deformation of southern Kakap Blocks. Assoc.Structural history of the West Natuna Basin and the tectonic evolution of the Sunda Region. p. p. Indon. S. Sedim. (Regional shallow seismic survey of 1160km. and facilitated basin development in area) Darmadi. P.. Strongest compression/ tectonic inversion in M Miocene.Reservoir characterization of the Gabus-1 reservoir in North Belut Field: an integration of core. Dajczgewand. Wijayanti (2011).The utilization of 3D seismic for small fields in the South Natuna Sea Block B.M. 4. 8th Session CCOP. 6th Congr. p. D.Preliminary report on seismic refraction survey southeast of Natuna Islands and seismic profiling in the vicinity of the Natuna and Tioman Islands on the Sunda Shelf.10 Ma when most NE-SW oil-bearing anticlines formed. Offshore Indonesia. 2920 Ma left-lateral wrench movement and !5.Natuna swell may be linked with mainland Asia and NW Kalimantan) Dickerman.The petroleum systems of west Block 'B' PSC. B. Adhyaksawan & V. 117-130. Proc. West Natuna Basin. Petrol.. Assoc. 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Geological history Natuna basin 4 phases: syn-rift (seq.The occurrence of the dismembered ophiolite in the Bunguran islands. Fluoride-bearing hydrothermal fluids from granitic basement selectively dissolved constituents in deeply buried Terumbu) Gunarto.H. 11 p.P. CO2 derived from dissolved Terumbu Lst. Conv. intruded by Late Cretaceous (84 Ma) granite. 3-4. Proc. (Tambelan Islands S of Natuna composed of basic-intermediate igneous rocks and tuffs. Riau. Indon. Sunda shelf. 29th Ann. 4. 30. N. p. (Includes Natuna Islands surface geology. Geol. CCOP Techn.Hydrocarbon play of West Natuna basin and challenge for new exploration related to structural setting and stratigraphic succession. Mangga & U. Petrol. composed of granite. Assoc. E-M Miocene). Y. Aragonitic grains leached.E Oligocene).Middle to Late Cretaceous age based on K/Ar dating of granitic rocks from the Serasan Islands. Geol. 6-11. p. Istadi & H. 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Petrol. 14th Ann.Udang Field: a new Indonesian development. 1-16) ('Description of a collection of minerals and rocks from Bunguran (Natuna Besar) and Sededap in the Natuna Archipelago'.3D structural architecture and evolution of the West Natuna Basin.0 141 www. 105-115. Indon. 15-23. 29th Ann. Assoc. Proc. Proc. (1991). A. Indonesia. AAPG Int.Integration of depth conversion. Sammlung. Wet. seismic inversion and modelling over the Belida Field. Indon. AAPG Bull. 115. Sumatra. Geol. Wiryosujono (1994). 221-236 (also in Jaarboek Mijnwezen Nederl. comprising fluvial deltaic deposits with gas sourced from interbedded coals. p. E. Petrol. Natuna Sea.Well log and seismic character of Tertiary Terumbu carbonate. B.000. 79. 11th Ann. Maubeuge. 1. 6p. 584. South Natuna Sea.A. M. KH structure formed by N-S trending Eo-Oligocene rifting. Indon.A successful gas injection project in the Kakap KF Field: design. S Natuna Sea. p. C. Arang Fm climate cycles reflect mainly very wet climates. Bond (1997). W. Synrift organic facies divided into "deep" lacustrine and shallow lacustrine.Seismic stratigraphic interpretation of a major 3D. (Morphology of fluvial and deltaic depositional systems imaged in 3D seismic from W Natuna Basin. Assoc. Conv. meander belt width 2438.V. p. 391-401. (Belida Field 1989 discovery. Conv. Indon. 74 p.over a 1 million year time interval. P. West Natuna Basin. Udang and Gabus cycles characterized by cool and dry lowstands and warm and slightly wetter highstands. Petrol.. Belut Group cycles trend from drier to wetter with little temperature change) Bibliography of Indonesia Geology v. p. Assoc.). Lateral and vertical complexity of these reservoir not resolved by limited well penetrations) Maynard. 291-305. high-sinuosity. M. EUR ~350 MMBO developed in 1992..0 142 www. 25th Ann. R.000 bopd in 1994 from two fluvial deltaic sandstone reservoirs.present.Maximising the value of a mature asset. (Two petroleum systems in Conoco West Block 'B': (1) coals and coaly shales of Arang and Gabus Fms and (2) lacustrine synrift Belut/Gabus Fms. reactivated by E-M Miocene inversion) Michael.Unravelling the tectonically controlled stratigraphy of the West Natuna Basin by means of palaeo-derived Mid-Tertiary climate changes. 28th Ann.can a detailed subsurface re-evaluation really add value late in field life? Proc. 56p.J. Andria (2002). drainage polygon analysis and geochemistry as petroleum systems analysis tools: West Block B PSC. In: J. Proc.Quantitative seismic geomorphology of Gabus and Belanak Fields. Conv. Source rock distribution re-interpreted based on seismic facies) Meirita. anastomosing and braided rivers. Assoc. Assoc. Indon. 2.tamu.Integration of 2D modelling.Sc. A. Morley & P.18. more gas prone synrift sections expel from 26-12 Ma and 23-0 Ma. radius of curvature 119 to 4. KH Field. but with cool lowstand phases. Barat. Channel width ranges from 45-2. Masters Thesis University of Texas. Assoc. Petroleum Systems Symposium.The petroleum systems of West Block ‘B’ PSC. 561. 87-104. Indon.M Miocene. p. Siregar & L. p. Blocks B and Tobong. Proc. E. & D. Shore zone represented by prograding strandplain systems. Coals and coaly shales in Arang and Gabus expulsion below 7. (online at http://txspace.635 m and sinuosity 1.7% Ro) suggesting charging from 8 Ma.. No consistency of channel axis. (15 climate cycles interpreted from Late Eocene.500’ (0. Petrol. Interpretation focused on stratigraphy. Jakarta. Conv. Proc.com Nov. Indonesia. Early synrift sections expel as early as 29-19 Ma. Proc. Morley.Structural and depositional evolution.C. and warm climate highstands. & S. 1. 1. Howes & R. Petrol. K. at ~4. low-sinuosity. 323-340. K. Indonesia: getting the geology back into seismic. Fluvial systems include straight. (2D modeling of hydrocarbon generation and migration) Mochammad.4) Mone. shallower. 22nd Ann. Samsidi (1993). Noble (eds.edu/.450 m. & H.P. Petrol. Austin. W Natuna.174 m. Indonesia. Restrepo-Pace (2003).. with peak oil production of 135.750 m.800’ illustrate major changes in reservoir distribution and facies. meander wavelength 540. F. Petrol. E. (2003). 4. J. Petrol. 29th Ann. Offshore Indonesia. 29th Ann. 1.. Assoc.0 to 3. Indon.E Miocene Lower Arang Fm and Oligocene Udang Fm) Maynard. implementation and results. Indonesia. the Belida Field. 2011 . 465-479. (2003). Ways & R. Shelf systems identified from very flat and uniform amplitude map. Indon. Late formed traps (<20 Ma) likely charged from gas prone synrift facies or syninversion coals and coaly shales) Michael. Adrian (1996). the Gabus Subbasin. West Natuna..) (3D seismic study. Prabowo. p. H.vangorselslist. West Natuna Sea. (Conoco 2000 large regional 3D survey in Gabus Sub-Basin. Gunawan. Thesis Texas A&M University. Brotherton (2003). Conv.F. West Natuna Basin. K. Fourteen biofacies in lacustrine and coastal plain facies. identified through U Gabus and Udang Fms. Techn. then inverted. West Natuna Basin. Assoc. Ringis (ed. Overlying E Miocene Arang Fm sands reservoirs for nonassociated gas. p.C. P. No E-M Miocene carbonates. J. Sihombing & H. Proc. 28th Ann.I.B. Risked total resources in carbonate paly may be as high as 1. p. Crest of structure good porosity. 1. Hayes. Indonesia. Reservoirs fluvial channel sands of Late Oligocene Gabus Formation. In: J. Two source intervals in syn-rift of larger rift halfgrabens: (1) early syn-rift open lacustrine.. 2. Proc. p.P. & R. Petrol. 16 p. Assoc.Source rock evaluation and crude oil characteristics. Indon. (E Natuna basin considered to form W part of large Sarawak Basin.North Belut Field.). Conv. p.0 143 www. S. Petrol. Petrol. Comm. Assoc. S. 407-424. Odell (1997). Schmitz. In: J.Hydrocarbon assesment of the carbonate play. Bibliography of Indonesia Geology v. Proc. (KH oil-gas field in SW corner of Kakap discovered in 1980 in faulted anticline with four-way dip. 13th Ann.A. Oligocene fluvial. Proc. Howes & R. East Natuna basin. 27th Ann. W Natuna Sea Basins are Tertiary. L. with English summary. Udang and Gabus Fms. M. N-S trending Oligo-Miocene rift-basin. p.. (W Natuna Basin Belut field discovered in 1974. 10-19.vangorselslist. Proc. Middle-Late Miocene carbonates with local buildups in N half of E Natuna basin (Terumbu Fm). (W Natuna Tertiary 3-4 megasequences (Oligocene syn-rift. 1.Morley.earliest Miocene post-rift. Hadipandoyo & Suprijanto (1995).. Williams.deltaic. 357-375. Shales either allocyclic or autocyclic. Buntal and Bintang Laut gas pools). Nagura. Honda & S. 31st Ann. Conv. Source rocks of syn-inversion coals and coaly shales) Pollock. 4. thought to reflect 3rd-order sequences) Mujito. Indon. 381-389. Structure originally paleo-tilted fault block. (online at: http://www. Indonesia. Kuala Lumpur 1994. B. 34th Ann.R. capped by allocyclic shale and interpreted as 4th-order sequences. Conv. Petrol. p.complex clastic diagenesis in an inverted paleo-structure.) (In Japanese.The petroleum geology of the KH Field. (Stratigraphic model of N Belut field reservoir interval from foraminiferal and palynological analysis of Barat. H. Two major Tertiary petroleum systems: syn-rift and syn-inversion.Technology challenge for Natuna gas development.. Michael & V.R.. postdating regional unconformity at base Muda Fm. and Late Miocene.Sequence stratigraphy of Tertiary petroleum systems in the West Natuna Basin. (2002).196 MT oil and 3. IPA07-G-120. Tertiary basin deposits include M-U Eocene lacustrine. Guttormsen. Assoc. J. downdip portions of field tight due to ferroan cement) Phillips. I.jp/.permeability sands. Little. waxy crudes with gravities of 42-47. 1. Eko (2010). 65. (2B) (Forel oil pool.5° API at 65°F) Prasetyo. Indonesia. Hydrocarbon zones in Udang and Gabus Fms fluvial. Res.com Nov. 15 cycles. but undeveloped until 2009. Indonesia. inverted. Conv.Tertiary inversion tectonics and petroleum systems in West Natuna Sea Basins. H. W. Adhyaksawan (2007). Hydrocarbon generation and migration very late (5 Ma).110 Gm3 of gas) Murbini.E. M Miocene sand-dominant deposits.journalarchive.terrestrial organic matter. Petrol.deltaic clastics. which flooded. Co ord. Late Oligocene.go.A. Assoc... Light. Indon. Petrol. Indon. Conv. R. Asian Offshore Areas (CCOP). 2. R. West Natuna Area. Belanak oil and gas field) and (2A) (Udang oil field)) Pangarso. Challis.. Late Miocene-Recent post inversion). E. Joint Prospecting Min. S.jst. Petroleum Systems of SE Asia and Australasia Conf.. and (2) late syn-rift shallow lacustrine/ shoreline.Recent mud-sand deposits. intra-continental rift-basins on Sunda Shelf. IPA10-G-184. Packages can be differentiated into 3 groups. Indon.with mixed algal. Assoc. p. 31st Sess. J Japanese Assoc. (1B) (Tembang. with algal organic matter. B.Sequence biostratigraphic evaluation of North Belut Field. Noble (eds. 825-837. Katori (2000). Petrol. 2011 .. Jakarta. E-M Miocene syn-inversion. Indon. (2000).V. Salvador. subdivided into third-order sequences. Four petroleum systems are identified: (1A) (Belida oil field). Proc. E Miocene muddy facies. P. Young (1984).J. Kakap. Morris & I. filled. 339-351.) Proc. 91-102. . 7985. 29th Ann. & B. p. Conv.(W Natuna Basin source rock candidates Keras. IPA08-G-205. N. R. Proc. E-M Miocene Arang and Barat-Gabus shale widespread and uniform thickness. Conv. Geol. CO2 believed to be from deep igneous activity. Petrol. West Natuna basin. Adhyaksawan & M. Natuna D-Alpha Block Example. R.com Nov. stacked lacustrine and deltaic sands with significant variation in vertical and lateral reservoir development) Sangree. 32nd Ann. Simbolon (1984).Use of seismic stratigraphy in carbonate rocks. suggesting stable nonmarine-shallow marine shelf conditions. Assoc.J. Petrol.vangorselslist. Petrol. Indon. Assoc. Gunarto.280’). Upper Sandy Member of Gabus Formation (Miocene). 35-54. J. Conv. 5. (Seven depositional sequences in Miocene Terumbu Fm carbonates of Natuna Platform. wireline and seismic data. Source rock environment shallow lacustrine with terrestrial input) Prasetyo. & B. Conv. 463-480. Only effective source is Benua Shale at P-13 (10. Assoc. T. In: P. Benua and Barat Shales. Proc. 14p. S.Reservoir characterization study to improve future field development plans. AAPG. 13th Ann.L. (E-M Miocene Beta-1A zone is shallowest gas reservoir in Oligocene. Tembang Field. Search and Discovery Art.J..250’ gas column. New Orleans. Proc. 1500 ft section of thin. Geol. Rudolph.E Pliocene resulted in widespread carbonate deposits with local reef development on W shelf area and local buildups on crest of 'L' structure) Bibliography of Indonesia Geology v.D.H. Proc. Proc. 15th Ann. Danudjaja & Y.. 1. K. (Reservoir study of North Belut gas field in Udang and Gabus sands. Arang Fm considered source of methane. Indon.B. ('Study of distribution of overpressure and salinity in the Tertiary sedimentary basin of the Natuna area') Rodriguez. 2. (1981).Sequence stratigraphy and depositional history.A proposed solution to the challenge of producing oil reserves from offshore marginal fields in the Natuna Sea of Indonesia. Indon.) Controls on carbonate platform and basin development.W. 67%.Miocene clastics reservoirs of 1989 Conoco Belida oil-gas Field. West Natuna Basin. Proc. Morley. T. 135-152.Platform evolution and sequence stratigraphy of the Natuna Platform. Conv.. 14th Ann. Publ. Increased subsidence from M Miocene caused retreat of platform. p. Wilson et al. Bagge. Offshore Indonesia. Indon.138-11. Challis (2008).A.. p. Indon. Budiningsih (2001). & P. (Tembang 1981 discovery. Morris. F. Crevello. SEPM Spec. 10th Ann. 353-361.0 144 www.5 Ma and is still occuring in Lower Gabus Fm. drowned platform and ended carbonate sedimentation) Ryer. J. p. combined with continued subsidence. Hydrocarbon generation started at 17. Danudjaja & Y. P. Post-Arang normal faulting resulted in rotation and faulting of "L" structure and Terumbu (U Miocene) carbonate development Further downfaulting in Lt Miocene. p.895’) and P-15 wells (11. Kerisi-Hiu area. Comrie-Smith & G. 1.J. Petrol. 90914 (Abstract only) Salvador.R. T. Conv. 4.295-10. with gas in 13 deltaic sand horizons in E-M Miocene Arang Fm) Prasetyo. South China Sea. Assoc. Porosity also downdip in onlapping lowstand-systems tract. M. (IAGI). Eustatic sea-level rise in E Pliocene. Highest porosity in grain-prone carbonates of late highstand-systems tract on platform crest.. Lower delta plain sandstones with general channel direction trend N to NE) Pribadi. Indonesia. Budiningsih (2000). Proc. 581-596. 2011 .Van Mechelen (2000). J.Penyelidikan atas distribusi overpressure dan salinitas di cekungan sedimentasi Tersier daerah Natuna.. (IAGI). Peribere (1986). Bandung. South China Sea.Application of reservoir characterization to better handle reservoir management plan for Belida shallow gas. W.Managing reservoir uncertainty at the North Belut Field. Indon.82%CO2. shelfward) side. (eds. S. 44. (Natuna D-Alpha "L" structure large Late Miocene reef complex. p. A. Conv. Assoc. Meyer. Assoc. Lehmann (1989). M.. 28th Ann. Natuna Sea: an integrated analysis of biostratigraphy. core. more on W (lowproductivity. In: Seismic Atlas of Indonesian Oil and Gas Fields.com Nov.Geologic summary of the Natuna Sea. Lower Arang sands distributary mouth bars in progadational lacustrine delta. Yusuf & S Sumardan (2000). & A. Trap four-way closure. 30th Ann. Sekatung. 2. p. CCOP. Significant stratigraphic component in Gajah Abu Abu trap) Subono.vangorselslist. et al.Investigations of the storage efficiency of CO2 in carbonate aquifers. G. Assoc. Techn. gas in E Miocene Arang Fm. Assoc. Wongkosantiko. Proc. Ringis (ed. 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Udang Fm sands stacked fluvial channels.Regional northwest to west-northwest lineaments in the southern part of the South China Sea Basin. 74. In: J. Proc.