Postcrystallization thermal evolution history of Gangdese batholithic zone and its tectonic implication |
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| Authors: | Wenji Chen Qi Li Jie Hao Xinhua Zhou Jinglin Wan Min Sun |
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| Institution: | (1) Institute of Geology, Seismological Bureau of China, 100029 Beijing, China;(2) Institute of Geology, Chinese Academy of Sciences, 100029 Beijing, China;(3) Department of Earth Sciences, Hong Kong University, Hong Kong, China |
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| Abstract: | Using cooling curves of K-feldspars obtained by using specific40Ar/39Ar stepe heating procedure and multiple diffusion domain modeling (MDD model), together with results of dating hornblends,
biotite, and apatite, further work has been done to examine the characteristics of the postcrystallization thermal evolution
history of Gangdese batholithic zone, to compare the starting times of rapid cooling events with the variation regularities
of apatite fission track (FT) ages in the eastern and western parts of Gangdese batholithic zone, and to provide the evidence
for mass transport and energy transfers in the lithosphere after the collision between Indian and Eurasian plates.
Project supported by the National Natural Science Foundation of China (Grant No. 49473171). |
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| Keywords: | Tibet Gangdese batholithic zone thermal history MDD model |
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