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Global Geology 2015, 18(4) 203- DOI:
ISSN: 1673-9736 CN: 22-1371/P |
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Study on fluid inclusions of Qiangsheng gold deposit in Fushun of Liaoning |
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CHEN Yang��WANG Li��ZHANG Yajing��XU Chunliang��JU Mingshen��LIU Kuoliang��LI Qiang��SUN Dexiang and ZHAO Chenghui |
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1�� College of Earth Sciences��Jilin University��Changchun 130061��China;
2�� Jinyang Mining Limited Company��Fushun 113106��Liaoning��China |
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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�� |
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Keywords��
fluid inclusion
ore-forming fluid
Qiangsheng gold deposit
Fushun
Liaoning
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Received Revised Online: |
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