History of tectono-magmatic evolution in the Western Kunlun Orogen |
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| Authors: | Hua Bi Zhonggang Wang Yuanlong Wang Xiaoqing Zhu |
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| Institution: | (1) Open Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, 550002 Guiyang, China;(2) Institute of Geology, Chinese Academy of Sciences, 100029 Beijing, China;(3) Institute of Resources and Environment, Hainan Teachers College, 571158 Haikou, China |
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| Abstract: | Based on the statistical and analytical data on more than 170 isotopic ages published since the 1980s of magmatic rocks, metamorphic
rocks, tectonites and ores from the Western Kunlun Orogen, and the characteristics of sedimentation, magmatism, metamorphism
and tectonic activities in the region studied in conjunction with geological field investigations and necessary supplementary
isotope data, five stages of tectono-magmatic evolution, i.e. Ar3-Pt
2
1
tectono-magmatic active stage (I), pt
2
2
stable stage (II), Pt
3
1
-p2 active stage (III), T1-T2 stable stage (IV), and T3-Q active stage (V) can be distinguished in the Western Kunlun Orogen. Moreover, the tectono-magmatic active style and general
trend, the characteristics of tectonic settings, etc. of each stage and substage in the region studied are also discussed.
Project supported by the State Key Science and Technology Program (No. 305) for the Ninth Five-Year Plan Period of China. |
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| Keywords: | Western Kunlun Orogen isotopic age history of tectono-magmatic evolution |
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