鸡笼山金铜矿床是长江中下游铁铜金多金属成矿带鄂东南成矿区中典型的矽卡岩矿床,对其成矿流体来源的研究相对贫乏.首次对鸡笼山矽卡岩带5件黄铁矿样品的流体包裹体进行了He、Ar同位素分析,结果显示,3He/4He值为0.025～0.051Ra,平均为0.031Ra;40Ar/36Ar值为261.2～580.2,平均为377.2,反映了其成矿流体是以萃取了部分地壳物质的大气降水为主,而幔源流体的参与程度较低.
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