Zircon SHRIMP U-Pb and biotite Ar-Ar ages from Fujiawu porphyry Cu-Mo deposit, Dexing, Southeast China: implications for magmatic-hydrothermal chronology

被引：0
|
作者：
Li, Xiaofeng [1 ]
Xiao, Rong [1 ]
Feng, Zuohai
Wang, Cunyun
Yang, Feng
Bai, Yanping
Jiang, Songkun
Wang, Zengke
Zhu, Xiaoyun
Xiao, Ning
Wei, Xinglin
机构：
[1] Chinese Acad Sci, Inst Geochem, Key State Lab Ore Geochem, Guiyang 550002, Peoples R China
来源：
LET'S TALK ORE DEPOSITS, VOLS I AND II | 2011年
关键词：
chronology; porphyry Cu-Mo deposit; Fujiawu; South China;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The Fujiawu porphyry Cu-Mo deposit, one of the porphyries in Dexing porphyry Cu district, Southeast China, was little know to its magmatic-hydrotermal activities in the past years. The zircon SHRIMP U-Pb analyses of granodiorite show age of 172 +/- 2.1 Ma, two hydrothermal biotite Ar-Ar show ages of 168.7 +/- 1.8 Ma and 169.9 +/- 1.8 Ma, respectively. The data suggests the magma emplaced at about 172 Ma, and the potassic hydrothermal activity occurred at about 169 Ma. The cooling rate of the magma about 150 degrees C per million years.
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收藏
页码：377 / 379
页数：3
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