Geochronological evidence for existence of South Mongolian microcontinent - A zircon U-Pb age of grantoid gneisses from the Yagan-Onch Hayrhan metamorphic core complex

被引：112
|
作者：
Wang, T [1 ]
Zheng, YD
Gehrels, GE
Mu, ZG
机构：
[1] Peking Univ, Dept Geol, Beijing 100871, Peoples R China
[2] Univ Arizona, Dept Geol, Tucson, AZ 85721 USA
来源：
CHINESE SCIENCE BULLETIN | 2001年 / 46卷 / 23期
基金：
中国博士后科学基金; 美国国家科学基金会; 中国国家自然科学基金;
关键词：
zircon U-Pb age; Proterozoic; gniesses; South Mongolian microcontinent;
D O I：
10.1007/BF02901917
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
A zircon U-Pb age of (916+/-16) Ma is measured for grantoid gneisses from the Yagan-Onch Hayrhan metamorphic core complex and represents the crystallization age of the grantoid magma. This age provides evidence for the existence of the South Mongolian microcontinent, which is consistent with the analysis of the regional geology.
引用
收藏
页码：2005 / 2008
页数：4
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