| 巴西典型祖母绿矿床介绍 |
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| 引用本文： | 袁心强. 巴西典型祖母绿矿床介绍[J]. 地质科技情报, 1994, 13(2): 70-74 |
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| 作者姓名： | 袁心强 |
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| 作者单位： | 武汉中国地质大学 |
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| 摘 要： | 巴西的祖母绿矿床主要属于所谓的片岩型祖母绿矿床。它们产于富含暗色岩和伟晶岩的古老地盾区内。与矿化有关的伟晶岩往往脉幅小，分异不完全。最有利于矿化的围岩是富镁的滑石片岩，含滑石片岩，含滑石大理岩和黑云母片岩等。
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| 关 键 词： | 祖母绿 片岩型 成矿地质特征 矿床 |
TYPICAL EMERALD DEPOSITS IN BRAZIL |
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| Yuan Xinqang. TYPICAL EMERALD DEPOSITS IN BRAZIL[J]. Geological Science and Technology Information, 1994, 13(2): 70-74 |
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| Authors: | Yuan Xinqang |
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| Abstract: | The emerald deposits in Brazil belong to the classic schist-hosted emerald deposit type. The deposits occur in the old shield which is rich in dark rocks and pegmatites. The minerogenic pegmatites are generally small in size and indifferentiated. The talc-schist ,talcmarble and biotite-schist are the most favourable hosting rocks to mineralization. |
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| Keywords: | emerald deposit schist-hosted type geological characteristics of mineralization Brazil |
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