摘要
云南老王寨金矿床合矿流体来源及其特性研究何明友，胡瑞忠（中国科学院地球化学研究所，贵阳５５０００２）关键词金矿床，含矿流体，来源，特性，老王寨云南老王寨金矿床含矿流体的来源，目前尚未取得共识，已有的观点归纳起来有：火山热液论、变质热液论、岩浆热液论及...
The results have shown that the An-bearing fluid was high temperature and high pressure fluid from depth and the An-source was mainly provided by the Au-rich tectonomagmatic rocks, but the mineralizing agents,such as C1-,CO2,S2- etc., were provided by super-mantle. The fluid was rich in K+, Na+, C1-, S2- and CO2, poor in. Ca2+ and Mg2+, the salinity of the fluid was about 13. 38wt% NaCl; 34S of S2- and 13C of CO2 in the fluid were in ranges of -2. 22‰～2. 77%, and - 7. 00‰～-2. 70‰ respectivelly. The initial temperature and pressure of the fluid was above 400℃ and 200 MPa respectively, Corresponding to a depth of about 7. 48 km. It is concluded that the An-bearing fluid is an ascending fluid from depth of the earth,but not from the other source.
出处
《矿物岩石地球化学通报》
CAS
CSCD
1996年第1期36-39,共4页
Bulletin of Mineralogy, Petrology and Geochemistry
基金
国家科委攀登计划"超大"项目
中国科学院矿床地球化学开放研究实验室基金
关键词
金矿床
含矿流体
来源
特性
老王寨
gold deposit
An-bearing fluid
source
properties
Laowangzhai
