白云鄂博褐钇铌矿族易解石族矿物学及其非晶态研究（摘要）

来源 :地质地球化学 | 被引量 : 0次 | 上传用户：anjiulo

【摘要】

：

<正> 1.矿物地质背景和基本特征白云鄂博是举世无双的特大型铌稀土铁综合性矿床。矿床的围岩是元古界下部的硅质、泥质和碳酸盐地层。矿床的形成过程包括沉积、变质(1400—15

【作者】

：

贡伟亮

【机构】

：

中国科学院地球化学研究所博士研究生

【出处】

：

地质地球化学

【发表日期】

：

1989年3期

【关键词】

：

褐钇铌矿族易解石族矿物学

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<正> 1.矿物地质背景和基本特征白云鄂博是举世无双的特大型铌稀土铁综合性矿床。矿床的围岩是元古界下部的硅质、泥质和碳酸盐地层。矿床的形成过程包括沉积、变质(1400—1500Ma)和热液交代(230—270Ma)两个阶段,主要与海西期壳幔源花岗质岩浆活动有关。海西期成矿流体活动分四个成矿阶段:矽卡岩化阶段(东接触带镁矽卡

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白云鄂博褐钇铌矿族易解石族矿物学及其非晶态研究（摘要）

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