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The mineralization age of the Banxi Sb deposit in Xiangzhong metallogenic province in southern China
Shanling Fu; Ruizhong Hu; Jun Yan; Qing Lan; Wei Gao
2019
发表期刊Ore Geology Reviews
卷号112页码:1-8
摘要

The Banxi Sb deposit is one of world-class Sb deposits located in the Xiangzhong Sb-Au metallogenic province in southern China. However, the mineralization age of this deposit is still not well constrained due to a lack of suitable minerals for reliable radiometric dating. Since the fluid-inclusion data suggest that the temperature of ore-forming fluids in the Banxi deposit is up to 330 °C, zircon (U-Th)/He thermochronometry with the closure temperature of 160–200 °C was chosen here to elucidate the timing of Sb mineralization of this deposit. Detrital zircons within three samples of altered host rocks in the Banxi deposit yielded (U-Th)/He dates of 132–113 Ma (weighted mean = 121 ± 12 Ma), 132–124 Ma (weighted mean = 129 ± 3 Ma) and 142–113 Ma (weighted mean = 125 ± 10 Ma), respectively, which are broadly consistent with the Rb-Sr and Sm-Nd isochron ages of hydrothermal sulfide minerals (~130 Ma). Combining with the reported ages of adjacent Sb deposits, we propose that Sb mineralization in the Banxi deposit may have primarily taken place during 130–120 Ma.

关键词Zircon (U-th)/he Thermochronometry banxi Sb Deposit timing Of Sb Mineralization xiangzhong Sb-au Metallogenic Province (Xzmp)
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/10603
专题矿床地球化学国家重点实验室
作者单位1.State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
2.Department of Earth Sciences, University of Toronto, 22 Russell St., Toronto, ON M5S 3B1, Canada
3.College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
推荐引用方式
GB/T 7714
Shanling Fu,Ruizhong Hu,Jun Yan,et al. The mineralization age of the Banxi Sb deposit in Xiangzhong metallogenic province in southern China[J]. Ore Geology Reviews,2019,112:1-8.
APA Shanling Fu,Ruizhong Hu,Jun Yan,Qing Lan,&Wei Gao.(2019).The mineralization age of the Banxi Sb deposit in Xiangzhong metallogenic province in southern China.Ore Geology Reviews,112,1-8.
MLA Shanling Fu,et al."The mineralization age of the Banxi Sb deposit in Xiangzhong metallogenic province in southern China".Ore Geology Reviews 112(2019):1-8.
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