| 西北某花岗岩型碱交代热液铀矿床蚀变带中重矿物的性状 |
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| 引用本文： | 刘玉和.西北某花岗岩型碱交代热液铀矿床蚀变带中重矿物的性状[J].铀矿地质,1987(3). |
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| 作者姓名： | 刘玉和 |
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| 摘 要： | 花岗岩型碳酸钠质交代热液铀矿床蚀变带中的重矿物有明显的改造与叠加现象。随着矿物的解离,热液从围岩中获取了部分矿源。主要铀矿化是在热液连续活动的晚期,铀与金属硫化物共沉淀。本文就西北某花岗岩体在碳酸钠质热液作用下所发生的重矿物组合含量及主要重矿物性质的一系列变化,以及与此有关的铀的活化转移与沉淀阶段等问题进行讨论。
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| 关 键 词： | 重矿物 改造 叠加 共沉淀 |
BEHAVIOUR OF HEAVY MINERALS IN THE ALTERATION ZONES OF A GRANITE-TYPE ALKALINE METASOMATIC URANIUM DEPOSIT IN NORTHWEST CHINA |
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| Liu Yuhe.BEHAVIOUR OF HEAVY MINERALS IN THE ALTERATION ZONES OF A GRANITE-TYPE ALKALINE METASOMATIC URANIUM DEPOSIT IN NORTHWEST CHINA[J].Uranium Geology,1987(3). |
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| Authors: | Liu Yuhe |
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| Abstract: | The heavy minerals were reformed and superimposed obviously in the alteration zones of a granite-type hydrothermal uranium deposit with sodium carbonate metasomatism. With the disassociation of minerals a portion of uranium was derived from wallrocks by hydrothermal soluiton. The main uranium mineralization occurred at the late stage of the continuous hydrothermal activities. Uranium was coprecipitated with metal sulfides. |
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| Keywords: | Heavy mineral Reform Superimposition Coprecipitation |
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