Global Geology 2015, 18(4) 203- DOI:     ISSN: 1673-9736 CN: 22-1371/P

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Keywords
fluid inclusion
ore-forming fluid
Qiangsheng gold deposit
Fushun
Liaoning
Authors
CHEN Yang
WANG Li
ZHANG Yajing
XU Chunliang
JU Mingshen
LIU Kuoliang
LI Qiang
SU
PubMed
Article by Chen Y
Article by Wang L
Article by Zhang Y
Article by Xu C
Article by Ju M
Article by Liu K
Article by Li Q
Article by Su

Study on fluid inclusions of Qiangsheng gold deposit in Fushun of Liaoning

CHEN Yang,WANG Li,ZHANG Yajing,XU Chunliang,JU Mingshen,LIU Kuoliang,LI Qiang,SUN Dexiang and ZHAO Chenghui

1. College of Earth Sciences,Jilin University,Changchun 130061,China;
2. Jinyang Mining Limited Company,Fushun 113106,Liaoning,China

Abstract

The Qiangsheng gold deposit belongs to quartz vein type. The fluid inclusions consist of four types: aqueous single-phase inclusions,aqueous two-phase inclusions,carbonated two-phase inclusions and carbonated three-phase inclusions. The fluid inclusions are characterized by low salinity ( 5%-9%NaCl eqv) ,low density ( 0. 66--0. 72 g /cm3 ) and medium temperature ( 210℃--250℃) . The pressure of ore-forming is 60--95 MPa and the metallogenic depth is about 5. 49--7. 56 km. During the mineralizing process,ore-forming fluid underwent fluid unmixing in CO2-H2O-NaCl system. The stable isotope results indicate that the ore-forming fluids mainly generated from mantle,with the participation of a small amount of atmospheric water. Comprehensive studies have suggested that Qiangsheng gold deposit belongs to the type of mesothermal hydrotherm with mantlederived fluid participating in mineralization.

Keywords fluid inclusion   ore-forming fluid   Qiangsheng gold deposit   Fushun   Liaoning  
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