Dual origins of Xiaoqinling gold-bearing quartz veins: Fluid inclusion evidence

被引：53
|
作者：
Fan, HR [1 ]
Xie, YH [1 ]
Zhao, R [1 ]
Wang, YL [1 ]
机构：
[1] Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2000年 / 45卷 / 15期
关键词：
fluid inclusion; gold-bearing quartz vein; dual origin; Xiaoqinling;
D O I：
10.1007/BF02886252
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：
Fluid inclusion research in Archean metamorphic rocks, Yanshanian granite and gold-bearing quartz veins shows that regional metamorphic fluids are high temperature and high saline, Yanshanian post-granitic fluids are CO2-bearing low saline, and ore-forming fluids are also CO2-rich low saline. In gold-barren/free parts of quartz veins in gold deposits, daughter mineral-bearing high saline inclusions related with metamorphic fluids remained. This proclaims quartz veins hosting gold ores might have been formed in early metamorphism, and overlapped or mineralized by late Yanshanian gold-bearing fluids.
引用
收藏
页码：1424 / 1430
页数：7
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