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地球学报  2002 

印度与欧亚板块俯冲—碰撞过程岩石圈热结构模拟

Keywords: 热结构,数值模拟,青藏高原,俯冲碰撞过程

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Abstract:

研究中采用了非线性非稳态的二维热传导-平流方程,首次考虑了俯冲角度及地球物质材料的性质对摩擦生热率的影响,对拉萨地块中部100-40Ma期间印度与欧亚板块俯冲-碰撞过程岩石热结构演化过程数值模拟进行了尝试,在模拟板块俯冲-碰撞过程中高原中部热结构的同时探讨了岩石圈的拆层作用对高原(尤其是对拉萨地块)热结构的影响。模拟结果显示,在俯冲阶段岩石圈热结构能较好地解释冈底斯花岗岩带中花岗闪长岩及其中铁镁质微粒包体存在壳幔二元体系这一认识。

References

[1]  MOLNAR P;CHEN W P;PADOVANI E,Calculated temperatures in overthrust terrains and possible combinations of heat sources responsible for the Tertiary granites in the Greater Himalaya,Journal of Geophysical Research? ,1983, 88.
[2]  臧绍先;宁杰远,西太平洋俯冲带的研究及其动力学意义,地球物理学报,1996(02).
[3]  臧绍先;宁杰远,俯冲带的负浮力及其影响因素,地球物理学报,1994(02).
[4]  沈显杰,从藏南高热流的形成机理推论西藏地壳和上地幔热结构,地球物理学报,1985(z1).
[5]  李鸿吉,对喜马拉雅地区地壳热状态的初步估计,地球物理学报,1983(03).
[6]  Turcotte D L,Geodynamics: applications of continium physics to geological problems,John wiley and Sois, New York,1982.
[7]  Shi Yaolin;Zhu Yuanqing,Some thermotectonic aspects of the Tibetan plateau,TECTONOPHYSICS,1993.
[8]  Shen Xianjie,Crust and upper mantle thermal structure of Xizang(Tibet) infered from the mechanism of the high heat flow observed in south Xizang,地球物理学报,1985(28).
[9]  Chang Chengfa;Zheng Shilang,Tectonic features of the Mount Jolmo Lungma region in southern Tibet,China Scientia Geologica Sinica,1973.
[10]  Burchfiel B C;Molnar P;Zhao Z,Geology of the Ulugh Muztagh area,northern Tibet,Earth and Planetary Science Letters? ,1989, 94.
[11]  朱元清;石耀霖;陆锦花,构造热演化的数值模拟方法,地球物理学报,1993(03).
[12]  朱元清,青藏高原的形成模式和目前热状态的研究,中国科学院研究生院学报,1993.
[13]  常承法,青藏高原地质构造演化,北京:科学出版社,1992.
[14]  Molnar P,Geological evolution of Northern Tibet: results of an expedition to Ulugh Muztagy,SCIENCE,1987.
[15]  Jiang Wan;Mo Xuanxue;Zhao Chonghe,Geochemistry of granotoid and its mafic microgranular enclave in Gangdise belt, Qinghai-Tibet Plateau,岩石学报,1999(15).
[16]  尹安.喜马拉雅-青藏高原造山带地质演化——显生宙亚洲大陆生长[J].地球学报,2001(03)
[17]  沈显杰,青藏高原隆升的构造热演化机制,地质科学,1986(02).
[18]  江万;莫宣学;赵崇贺.青藏高原冈底斯带中段花岗岩类及其中铁镁质微粒包体地球化学特征[J].岩石学报,1999(01)
[19]  马昌前,结晶分异作用的岩浆动力学条件,地球科学,1989(03).
[20]  Yin An,Geologic evolution of the Himalaya-Tibet orogen in the context of Phanerozoic continental groth of Asia,地球学报,2001(22).
[21]  Shi Yaolin;Zhu Yuanqing;Shen Xianjie,Tectonic processes and thermal evolution of the Qinghai-Xizang(Tibetan) plateau,Acta Geophysica Sinica,1992(35).
[22]  Shi Yaolin;Wang, C Y,Modeling of the thermal evolution of the Tibet Plateau,Transactions-American Geophysical Union,1988.
[23]  PINET C;Jaupart C,A thermal model for the distribution in space and time of the Himalayan granites,Earth and Planetary Sciences Letters,1987.
[24]  Jaupart C;Provost C,Heat focusing,granites genesis and inver-ted metamorphic gradients in continental collision zones,Earth and Planetary Sciences Letters,1985.
[25]  朱元清;石耀霖,剪切生热与花岗岩部分熔融——关于喜马拉雅地区逆冲断层与地壳热结构的分析,地球物理学报,1990(04).
[26]  朱炳泉,从青藏高原探讨挤压板块的历史,地球化学,1982(03).

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