| Citation: |
GAO Ju-sheng, ZHU Hua-ping, YUAN Lian-xiao, REN Tao, LI Jian-bin. Geological and Geochemical Characteristics of Fluid Inclusion in Xiajiadian Gold Deposit, Shaanxi Province[J]. Northwestern Geology, 2007, 40(3): 68-74.
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Geological and Geochemical Characteristics of Fluid Inclusion in Xiajiadian Gold Deposit, Shaanxi Province
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Abstract
The Xiajiadian gold deposit is a newly-discovered ore deposit occurring in the contact between Sinian and Cambrian strata. The major ore type is gold-bearing breccia. Also, the silicification relating to the goldm ineralization is closely related to the regionalmulti-phased faulting. This paper discusses the processes of mineralization for the deposit through study of fluid inclusion in minerals and O and H isotopes geochem istry. The fluid inclusion contents in quartz of ore-forming minerals are rich in Cl- and SO42- ,and the ore-forming fluid belong to CO2-H2O-XCl-XSO4 (Xmeans positiveion). The inclusion composition reflects that orogenic processes provided ore-forming fluids for the gold mineralization. H and O isotopic com position shows that ore forming fluid is metam orphic water rich in δ18OH2O. -
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References
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GAO Ju-sheng, ZHU Hua-ping, YUAN Lian-xiao, REN Tao, LI Jian-bin. Geological and Geochemical Characteristics of Fluid Inclusion in Xiajiadian Gold Deposit, Shaanxi Province[J]. Northwestern Geology, 2007, 40(3): 68-74.
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