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矿床地质  2003 

新疆东天山垅西金矿床地质和地球化学特征

Keywords: 地质学,地球化学,石英脉型,垅西金矿,东天山

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Abstract:

垅西金矿是东天山地区较为典型的石英脉型金矿床，文章对该矿床进行了流体包裹体的温度测定、气液相成分分析、稀土元素分析和氢氧同位素分析。研究结果表明，垅西金矿的成矿温度为222～313℃，成矿深度为2～3.2km，属中成中温热液矿床；流体包裹体中H2O和CO2为主要气相成分，Na＋、K＋和Cl-为主要液相成分；成矿流体主要来自岩浆水，晚期混入少量大气降水；成矿金属物质主要来自下石炭统企鹅山群中基性火山岩。

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