安徽池州市牌楼金钼矿床地质特征及成因探讨

Mineral Resources and Geology(2021)

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Abstract
牌楼金钼矿床位于长江中下游成矿带安庆—贵池矿集区南侧,矿区历经多阶段勘查工作,发现了具规模的金、钼矿体以及铜、铅锌等多金属矿化线索.矿体主要产于强蚀变的岩体中或其与围岩的接触带中,矿石组构以网脉、细脉状、浸染状为主,矿石同位素地球化学特征表明矿床金钼成矿流体主要与矿区多期次岩浆作用关系密切.结合成矿地质背景、矿区地球物理化学特征以及矿床地质特征,研究分析了矿床的蚀变类型和控矿因素,并对矿床成因进行了探讨,认为矿区金钼矿的成因类型属于斑岩型矿床,金矿化后期叠加了热液蚀变作用.
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