Exhumation during crustal folding in the Namche-Barwa syntaxis

被引:182
作者
Burg, JP
Davy, P
Nievergelt, P
Oberli, F
Seward, D
Diao, ZZ
Meier, M
机构
[1] GEOSCI RENNES,F-35042 RENNES,FRANCE
[2] CHENGDU INST GEOL & MINERAL RESOURCES,CHENGDU 610082,PEOPLES R CHINA
关键词
D O I
10.1111/j.1365-3121.1997.tb00001.x
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Geological observation in the eastern end of the Himalaya shows that the Asia/India Suture is folded. Metamorphic rocks derived from India occur structurally below the suture, in the core of a regional antiform, Isotopic and fission track dating establish cooling-exhumation of rocks from c.30 km depth within the last 4 Myr. We argue that exhumation is caused by approximate to 10 mm yr(-1) erosion coeval with crustal scale folding.
引用
收藏
页码:53 / 56
页数:4
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