湖南大义山地区芝麻山铜锡矿床地质特征及控矿因素分析

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芝麻山铜锡矿床位于南岭成矿带中段、大义山岩体的东侧,是一个铜锡共生型矿床。文章在深入矿区进行野外调研的基础上,详细阐述矿区和矿床地质特征,并据此对控矿因素进行了分析。认为该矿床成矿作用分为两期5阶段,即矽卡岩期(早矽卡岩阶段、晚矽卡岩阶段)和石英-硫化物期(高中温硫化物阶段、中温硫化物阶段和低温硫化物阶段);矿床受地层、构造和岩浆岩共同控制;岩体接触带、大理岩带、北北西向断层等部位是矿区下一步的找矿方向。
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