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岩石学混合计算在岩浆结晶分异作用研究中的应用*━━以云南白马寨镍矿区煌斑岩为例

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Keywords: 岩石学混合计算,结晶分异作用,煌斑岩,云南白马寨镍矿床

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Abstract:

公式为岩浆结晶分异过程中的微量元素地球化学模型,但如何确定式中残余熔体的重量百分比()和熔体中分离出来的矿物相的总分配系数()一直是个难题。本文介绍了一种直接计算出残余熔体比例()和岩浆结晶矿物比例(以此计算出)的方法──岩石学混合计算法的基本原理,以云南白马寨镍矿区煌斑岩为例,介绍了该方法在岩浆结晶分异作用研究中的应用。

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