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关于岩石微量元素构造环境判别图解使用的有关问题

, PP. 92-103

Keywords: 构造环境判别图,微量元素,后碰撞,碱性花岗岩,钾质火成岩

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Abstract:

针对目前应用愈来愈广泛的不同岩石,特别是岩浆岩的微量元素构造环境判别图解使用过程中存在的问题,从这些判别图解建立的原理,介绍了微量元素构造环境判别图解的使用原则。强调指出:所采集的样品必须新鲜(无蚀变或极弱蚀变)、非堆晶的岩石;选择的判别图解必须与判别的岩石类型相一致,即对花岗岩类要用花岗岩的判别图解,不能用玄武岩的判别图解;对特殊类型岩石要选择专门用于该类型岩石的判别图解,如碱性花岗岩,钾质火成岩;要应用多种图解综合判断;不能用单个样品,而应作多个样品分析;要注意所选择判别图解的特别说明等。此外,一些构造环境判别图解还能给出岩石的成岩过程和源区。

References

[1]  邓晋福,莫宣学,罗照华,赵海岭,赵国春,曹永清,于学政. 1999. 火成岩构造组合与壳-幔成矿系统. 地学前缘,6(2):259-268.
[2]  韩江伟,熊小林,吴金花. 2006. 埃达克岩的Na亏损及其对地幔交代的指示意义. 大地构造与成矿学,30(3):277-284.
[3]  赵振华,王强,熊小林. 2004. 俯冲带复杂的壳幔作用. 矿物岩石地球化学通报,23(4): 277-284.
[4]  赵振华. 1997. 微量元素地球化学原理. 北京: 科学出版社, 112-129.
[5]  朱炳泉,崔学军. 2006. 板块构造学说面临的挑战. 大地构造与成矿学,30(3):265-274.
[6]  Bhatia M R and Cyook K A W. 1986. Trace element characteristics of graywackes and tectonic setting discrimination of sedimentary basins. Cont Min Petrol, 92: 181-193.
[7]  Brown G C, Thorpe R S and Webb P C. 1984. The geochemical characteristics of granitoids in contrasting arc and comments on magma arcs. J Geol Soc London, 141: 411-426.
[8]  Condie K C. 1982. Tectonic and crustal evolution. New York: Pergamon Press, 1-310.
[9]  Condie K C. 1997. Source of Proterozoic mafic dyke swarms: constraints from Th/Ta and La/Yb ratios. Precambrian Res, 81: 3-14
[10]  Ionov D A and Hofmann A W. 1995. Nb?Ta?Ti?rich mantle amphiboles and micas: implications for subduction?related metasomatic trace element fractionations. EPSL, 131: 341-356.
[11]  Kelemen P. 2003. One view of the geochemistry of subduction?related magmatic arcs with emphasis on primitive andesite and lower crust. In: Holland H D and Turekian K K(eds). Treatise on geochemistry, Amsterdan: Elsevier, 3: 612-615, 626-627.
[12]  Liegeoiset J P. 1998. Some words on the post?collisional magmatism. Lithos, 45: XV-XVII.
[13]  Maniar D P and Piccdi P M. 1989. Tectonic discrimination of granitoids. Geological Society of American Bulletin, 101: 635-643.
[14]  Meschede M. 1986. A method of discriminating between different types of mid?ocean ridge basalts and continental tholeiites with the Nb?Zr?Y diagram. Chemi Geol, 56: 207-218.
[15]  Muller D, Rock N M S and Groves D I. 1992. Geochemical discrimination between shoshonitic and potassic volcanic rocks from different tectonic settings: a plot study.Mine. Petrol, 46: 259-289.
[16]  Muller D and Groves D. 1997. Potassic igneous rocks and associated gold?copper mineralization. Berlin: Springer, 11-40.
[17]  Pearce J A. 1982. Trace elements characteristics of lavas from destructive plate boundaries. In: Thorpe R S (ed). Andesites. Wiley, New York: 525-548.
[18]  Pearce J A, Harris N B W and Tindle A G. 1984. Trace element discrimination diagrams for the tectonic interpretation of granitic rocks. J Petrol, 25: 956-983.
[19]  Pearce J A. 1996. Source and settings of granitic rocks. Episodes, 19: 120-125.
[20]  Ringwood A E. 1990. Slab?mantle interactions: Petrogenesis of intraplate magmas and structure of the upper mantle. Chemical Geology, 82: 187-207.
[21]  Thieblemont D and Tegyey M. 1994. Use discrimination geochimiwue des roches differenciees temoin de la diversite d''origine et de situation tectonique des magmas calco?alkalins. C R Acad Sci Paris, 319: 87-94.
[22]  从柏林. 1979. 岩浆岩与火成岩组合. 北京:地质出版社,203-277.
[23]  Condie K C. 1999. Mafic crustal xenoliths and the origin of the lower continental crust. Lithos, 46: 95-101.
[24]  Eby G N. 1992. Chemical subdivision of the A?type granitoids, petrogenetic and tectonic implications. Geology, 20: 641-644.

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