CLASSIFICATION PLOTSMenu item AFM (Irvine + Baragar 1971) SiO2 - FeOt/MgO (Miyashiro 1974) SiO2 - K2O (Peccerillo + Taylor 1976) Co – Th (Hastie et al. 2007) A/CNK - A/NK (Shand 1943) Module name AFM Miyashiro PeceTaylor Hastie Shand Scope1 G G G G G Plot description (Na2O+K2O) – FeOt – MgO ternary SiO2 vs. FeOt /MgO binary SiO2 vs. K2O binary Co vs. Th Al2O3/(CaO+Na2O+K2O) vs. Al2O3/(Na2O+K2O) (mol. %) Details (reference) AFM plot that serves to discriminate between calc-alkaline and tholeiitic subalkaline series (Irvine & Baragar, 1971). Diagram of Miyashiro (1974) distinguishing between tholeiitic and calc-alkaline igneous rocks. Diagram proposed by Peccerillo & Taylor (1976) to distinguish various series of tholeiitic, calc-alkaline and shoshonitic rocks. Replacement for the previous plot of Peccerillo & Taylor (1976) using less mobile elements, designed by Hastie et al. (2007). Classic A/CNK vs A/NK plot of Shand (1943) discriminating metaluminous, peraluminous and peralkaline compositions. The principal variation of the TAS diagram, as proposed by Le Bas et al. (1986) and codified by Le Maitre (1989). Dividing line between alkaline and subalkaline series is that of Irvine & Baragar (1971). Variation of the TAS diagram proposed by Cox et al. (1979) and adopted by Wilson (1989) for plutonic rocks. Variation of the TAS diagram proposed by Middlemost (1994). Ternary plot of Jensen (1976). Multicationic classification plot of De La Roche et al. (1980) (R1: 4Si - 11(Na + K) – 2(Fe + Ti); R2: 6Ca + 2Mg + Al). TAS (Le Bas et al. 1986) TAS CoxVolc CoxPlut TASMiddlemostVolc TASMiddlemostPlut Jensen LarocheVolc LarochePlut WinFloyd1 V V P V P V V P SiO2 vs. (Na2O + K2O) binary TAS (Cox et al. 1979) TAS (Middlemost 1994) Jensen (1976) R1-R2 (De la Roche et al. 1980) Nb/Y - Zr/TiO2 (Winchester + Floyd 1977) Zr/TiO2 - SiO2 (Winchester + Floyd 1977) Nb/Y - Zr/Ti (modified by Pearce 1996) QAPF diagram (Streckeisen 1978) QAPF diagram (Streckeisen 1974) 1 SiO2 vs. (Na2O + K2O) binary SiO2 vs. (Na2O + K2O) binary Al – (Fet + Ti) – Mg ternary R1–R2 binary (in millications). log Nb/Y vs. log Zr/TiO2 log Zr/TiO2 vs. SiO2 binary V WinFloyd2 Diagrams proposed by Winchester & Floyd (1977) for classification of volcanic rocks using incompatible element ratios. Pearce1996 QAPFVolc QAPFPlut V V P log Nb/Y vs. log Zr/Ti QAPF – modal compositions QAPF – modal compositions The log Nb/Y vs. log Zr/TiO2 plot of Winchester & Floyd (1977) modified by Pearce (1996). Modal QAPF diagram of Streckeisen (1978) Modal QAPF diagram of Streckeisen (1974) Scope: G: general diagram, V: designed for volcanic rocks, P: designed for plutonic rocks The B–A diagram (Debon & Le Fort 1983) defines six sectors (I . plutonic rocks) or modal (plutonic rocks) contents of albite. 1998) Middlemost (1985) 1 Scope: G: general diagram. (Na2O + K2O) binary Details (reference) Classification diagram after O’Connor (1965) for silica-rich rocks (quartz > 10 %). reflecting alumina balance of samples (B: Fe + Mg + Ti. It is based on CIPW-normative (volcanic. Its coordinates correspond to proportions of Kfs and Pl to Qtz (P: K . P: plutonic rocks .CLASSIFICATION PLOTS (CONTD.VI). A: Al .(K + Na + 2Ca)).(Na + Ca).) Menu item Feldspar triangle (OConnor 1965) Module name OConnorVolc OConnorPlut DebonPQ DebonBA Villaseca MiddlemostPlut Scope1 V P P P P P Plot description Ternary plot Ab-An-Or P–Q binary (in millications) B–A binary (in millications) B–A binary (in millications) SiO2 vs. V: volcanic rocks. anorthite and K-feldspar. P-Q (Debon + Le Fort 1983) B-A (Debon + Le Fort 1983) B-A (modified by Villaseca et al. (1998) Classification diagram of Middlemost (1985) for plutonic rocks. Nomenclature diagram of Debon & Le Fort (1983).(K + Na + 2Ca/3)). The B–A diagram (Debon & Le Fort 1983) with fields of various types of peralkaline rocks as outlined by Villaseca et al. Q: Si/3 . B: basaltoids.. (2001) Frost Gr Major-element based classification of granitoids (Frost et al. Pearce et al. log Rb. Al2O3. log Rb. Yb. Schandl + Gorton (2002) Schandl G Discrimination of geotectonic environment of felsic volcanic rocks (rhyolites). (R1: 4Si . (1987). A/NK binary plots SiO2 vs. R2: 6Ca + 2Mg + Al). and FeOt/(FeOt+MgO). Hf). K2O. FeOt/(FeOt+MgO). Th Ta/Hf vs. CaO vs.. log Y vs. Th. A/CNK vs. Th/Hf Yb vs. (Na2O+K2O) (Na2O+K2O)/CaO K2O/MgO FeOt/MgO Zr Nb Ce Y Zn Agpaitic index log(Y+Nb) vs.GEOTECTONIC PLOTS Menu item Batchelor + Bowden (1985) Module name Batchelor Scope1 Gr Plot description R1–R2 binary (in millications) binary plots SiO2 vs. log Nb. 1987) Whalen Gr Binary plots serving for distinction of A-type granitoid rocks after Whale et al. A type granitoids (Whalen et al. 1989). 1980) with geotectonic implications after Batchelor & Bowden (1985). Maniar + Piccoli (1989) Maniar Gr Major-element based geotectonic classification of granitoids (Maniar & Piccoli. Na2O+K2O-CaO ASI vs. It is based on combination of four presumably little immobile trace elements (Ta.11(Na + K) – 2(Fe + Ti). A/NK binary plots Zr+Nb+Ce+Y vs. . 1 Scope: Gr: granitoids. FeOt+MgO. log Yb vs. Frost et al. log Th/Ta Ta vs. (1984) Pearce_granite Gr Trace-element based geotectonic classification of granitoids by Pearce et al. 2001). SiO2 vs. log(Ta+Yb) vs. log Ta log Ta/Yb vs. MgO vs. FeOt. Th/Ta Details (reference) R1–R2 diagram (De La Roche et al. proposed by Schandl & Gorton (2002). (1984). FeOt/MgO (Na2O+K2O)/CaO 10000*Ga/Al vs. B: basaltoids.. Zr – Ti/100 – Sr/2 ternary. 1977) (Shervais.) Menu item Meschede (1986) Zr/4-2Nb-Y Mullen (1983) 10MnO-TiO2-10P2O5 Pearce + Cann (1973) Pearce + Norry (1979) Pearce et al. 1973) (Pearce & Norry. log V Th – Hf/3 – Ta Th – Hf/3 – Nb/16 Th – Zr/117 – Nb/16 Details (reference) (Meschede. 1982) (Wood. log Zr – log Ti binary log Zr vs. 1980) 1 Scope: Gr: granitoids. (1977) MgO-FeOt-Al2O3 Shervais (1982) Wood (1980) Th-Hf/3-Ta Wood (1980) Th-Hf/3-Nb/16 Wood (1980) Th-Zr/117-Nb/16 Module name Meschede Mullen Scope1 B B Plot description Zr/4 – 2Nb – Y ternary 10 MnO – TiO2 – 10 P2O5 Zr – Ti/100 – 3 Y ternary. log Zr/Y MgO – FeOt – Al2O3 ternary log Ti/1000 vs. . 1986) (Mullen. 1983) Pearce_and_Cann Pearce_and_Norry Pearce_et_al_1977 Shervais Wood Wood2 Wood3 B B B B B (Pearce & Cann.GEOTECTONIC PLOTS (CONTD. 1979) (Pearce et al. Hastie. & Zanettin. (1977). (1976). Maniar. A. Geochemistry of Eocene calc-alkaline volcanic rocks from the Kastamonu area. (1996). Earth and Planetary Science Letters 36. D.. Contributions to Mineralogy and Petrology 58. S. (1989).) Trace Element Geochemistry of Volcanic Rocks: Applications for Massive Sulphide Exploration.REFERENCES Batchelor. E. Leterrier. O'Connor. S. M. G. 63–81. & Norry. Trace element discrimination diagrams for the tectonic interpretation of granitic rocks. R.. Grandclaude. A chemical classification of volcanic rocks based on the total alkali–silica diagram. Peccerillo. 53–62. USGS. Gorman. W. Irvine. (1979). B. Classification of altered volcanic island arc rocks using immobile trace elements: development of the Th Co discrimination diagram.. R. Contributions to Mineralogy and Petrology 69. A. Pearce. R. Volcanic rock series in island arcs and active continental margins. Earth Sciences 73. Geological Society of America Bulletin 101. Journal of Petrology 48. Le Bas. & Bowden.. A. A. 745–750. 2033–2048. P. A. T. R. Journal of Petrology 25.. F. N. R. The relationship between major element geochemistry and tectonic environment of basic and intermediate volcanic rocks. (1984). A. Canadian Journal of Earth Sciences 8. Short Course Notes 12. (1985). M.. W. A New Cation Plot for Classifying Subalkalic Volcanic Rocks. & Marchal.. (1986). D. P. Streckeisen. B. M. Ellis. H. & Taylor. J. Journal of Petrology 42. P. & Mitchell. C. Petrogenetic interpretation of granitoid rock series using multicationic parameters. Middlemost. (1979). (1976). & Piccoli. In: US Geological Survey Professional Paper B525. P.. Transactions of the Royal Society of Edinburgh. (2007). K. L. Barnes. (2001). D. (1965). (ed. D. E. A classification for quartz-rich igneous rocks based on feldspar ratios. 321–355. 79–113. Bell. Chemical Geology 56. R. A. Debon. 290–300. 215–224. D. A. Tectonic discriminations of granitoids. C. Kerr. Oxford: Blackwell. Y. D. 33–47. A. R. E. Pearce. 121–132. Pearce. G. T. R. Journal of Petrology 27. George Allen & Unwin. W. 207–218. J. 43–55. Petrogenetic implications of Ti. Ontario Geological Survey Miscellaneous Paper 66. 79–84. Frost. Pearce. MnO/TiO2/P2O5: a minor element discriminant for basaltic rocks of oceanic environments and its implications for petrogenesis. J. Magmas and Magmatic Rocks. Chemical Geology 29. Cox. B. 635–643. De La Roche. Collins. Jensen. A chemical–mineralogical classification of common plutonic rocks and associations. & Cann. (1983). J. & Frost. (1985). 135–149. and Nb variations in volcanic rocks. A classification of volcanic and plutonic rocks using R1R2-diagram and major element analyses – its relationships with current nomenclature.. H. Le Maitre. Arculus. K. Harris. S. Miyashiro A. A. J. Northern Turkey. K. (1989). C. T. J. A. A user's guide to basalt discrimination diagrams. The Interpretation of Igneous Rocks. American Journal of Science 274. Pearce. Geological Association of Canada. Le Maitre. J.. J. (1973). (1971)... R. A. J. (1986). 956–983. J. A geochemical classification for granitic rocks. J. 183–210. (1974). (1985). N. W. Zr. M. Pearce. In: Wyman. E. (1983). P. 523–548. G. J. M. (1980). Earth and Planetary Science Letters 62. W. Earth-Sciences Reviews 37. Earth and Planetary Science Letters 19. Naming materials in the magma/igneous rock system. R. A method of discriminating between different types of mid-ocean ridge basalts and continental tholeiites with the Nb–Zr–Y diagram.. & Baragar. Chemical Geology 48. Meschede. A. J. A guide to the chemical classification of the common volcanic rocks. A. F. J. London: Longman. & Le Fort. & Tindle. Mullen. T. C. Recommendations of the IUGS Commission on the Systematics of Igneous Rocks. A Classification of Igneous Rocks and Glossary of Terms. Tectonic setting of basic volcanic rocks determined using trace element analyses. J. 2341–2357. A. Middlemost. & Birkett. . & Pankhurst. . V. 169–206. A. C. Classification. Whalen J. M. Neues Jahrbuch für Mineralogie. 11–30. Composition. W. A.discrimination and petrogenesis. The application of a Th–Hf–Ta diagram to problems of tectonomagmatic classification and to establishing the nature of crustal contamination of basaltic lavas of the British Tertiary volcanic province. & Chappell B. Neues Jahrbuch für Mineralogie. 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