祥云金厂箐金矿床地质特征及成因
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Release time:2020-08-09 Affiliation of Author(s):中南大学地质研究所 Journal:矿床地质 Place of Publication:中国 Key Words:金矿床; 地质特征; 同位素; 金厂箐 Abstract:论述了金厂箐金矿床的成矿地质 背景和地质特征,成矿地质时代及矿床成因。并从硫同位素、铅同位素、氢氧同位素及包体成分、稀土元素等探讨了成矿物质来源。矿床硫同位素变化范围 窄,δ34S为-0.8‰～+3.8‰,硫同位素组成以重硫性为主。接近陨石硫同位素组成。206Pb/204Pb=18.502～18.960,平均 18.666,207Pb∕204Pb为15.647～15.771,208Pb∕204Pb为39.010～40.048,平均为39.350,属正常 铅。流体包裹体成分反映出成矿热液以岩浆来源为主,并混合了部分大气降水及雨水。 Co-author:冯德山, 杨中保 First Author:胡祥昭 Indexed by:Applied Research Document Type:J Volume:21 Page Number:600~612 ISSN No.:0258-7106 Translation or Not:no CN No.:11-1965/P Date of Publication:2002-12-31 -
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