Hydrogen, Oxygen and Sulfur Isotope Geochemical Characteristics of Taoxikeng Tungsten Deposit in Chongyi County , Southern Jiangxi Province
详细信息
- 责任者：Song Shengqiong (State Key Laboratory of Ore Deposit Geochemistry ; Institute of Geochemistry ; Chinese Academy of Sciences ; Guiyang 550002 ; China) ; Hu Ruizhong
- 刊名：Mineral Deposits
- 出版年：2011
- 卷期：30(1)
- 关键词：钨矿 ; tungsten ores ; 江西 ; Jiangxi Province
- 页码：p.1-10
- 图表：4 illus., 3 tables, 29 refs.
- 分类号：1001
- issnNo：ISSN0258-7106
- isbnNo：CN11-1965/P
摘要
Based on hydrogen, oxygen and sulfur isotopic characteristics, this paper studied the origin and evolution of the ore-forming fluid. The results show that δD values of fluids from fluid inclusions in quartz vary from -7‰ to -45‰%, δ18O values of quartz from the ore change from +7.3‰ to +12.2‰, δ18OH2O values range from -3.1‰ to 1.2‰, δ34S values of pyrite from the ore range from 0.1‰ to -2.1‰, δ34S values of chalcopyrite from the ore range from -1.3‰ to -2.3‰, and δ34S values of arsenopyrite from the ore range from -1.4‰ to -1.8‰. Hydrogen and oxygen isotopic composition of the fluid inclusions in quartz of the major ore-forming stage indicates that the water was derived mainly from mixed meteoric and magmatic water, whereas sulfur isotopes in ore-forming fluid were derived mainly from the magma.
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