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辽宁岫岩牧牛钨矿床地质地球化学特征及成因 被引量:1

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摘要 牧牛矿床是近年来东北地区新发现的一个黑钨矿矿床。为揭示该矿床成因,在系统研究矿床地质特征的基础上,对成矿相关岩体、围岩、矿石进行了地球化学测试分析。结果表明:相关岩体及矿石均为铝过饱和、属于高钾钙碱性和钙碱性系列岩石;稀土元素组成表现为Eu正异常和右倾斜的稀土元素配分曲线,显示了含钨花岗岩具有深源特征。综合矿床地质特征、岩(矿)石中微量元素含量特征,认为里尔峪组是牧牛钨矿床成矿的矿源层,该矿床属矽卡岩型钨矿床,成岩成矿作用与太平洋板块沿北西向俯冲有关。
出处 《黑龙江科技信息》 2016年第3期110-111,共2页 Heilongjiang Science and Technology Information
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