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Geochemical Characters of Uranium Mineralization in Huangmeijian Alkaline Pluton in Anhui Province
Author(s): 
Pages: 7-12,30
Year: Issue:  1
Journal: Uranium Geology

Keyword:  Luzong basinalkaline pluton of Huangmeijiangeochemical characterssyenite-type uranium;
Abstract: 黄梅尖碱性岩体是庐枞盆地乃至安徽省铀矿地质找矿工作的重点目标和找矿对象.笔者对黄梅尖碱性岩体的蚀变岩石、赋矿围岩、铀矿石进行了化学成分特征和微量元素地球化学研究,结果表明:赋矿围岩具有富钾、碱质高、贫钙镁,以及铝过饱和的特点,其源区可能来源于富集地幔,并受到壳源物质的混染;铀成矿作用过程中,主量元素(A1、Mg、Ca)、微量元素(Sr、Th、Zr、Ta、Nb、U、Hf、Cu、Pb、Zn)和稀土元素明显富集,亲硫元素(Cu、Pb、Zn)可作为寻找铀矿化的指示元素;成矿流体具有深源特征.%
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