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赣南双坑铀矿床围岩蚀变及其地球化学特征
引用本文:杨瑞栋,高飞,林锦荣.赣南双坑铀矿床围岩蚀变及其地球化学特征[J].铀矿地质,2014(6):335-339.
作者姓名:杨瑞栋  高飞  林锦荣
作者单位:1. 江西省核工业地质局 264 大队,江西 赣州,341000
2. 核工业北京地质研究院,中核集团铀资源勘查与评价技术重点实验室,北京 100029
摘    要:文章阐述了赣南双坑铀矿床的近矿围岩蚀变特征,指出与成矿密切相关的围岩蚀变主要有赤铁矿化、水云母化、绿泥石化和碳酸盐化。双坑铀矿床的矿化蚀变岩石元素地球化学研究表明,从矿化中心至围岩,V、Mo、Bi、Cu含量变化趋势与 U 一致,具有正相关性;与铀密切相关的元素为 V、Sb、Pb、Bi、HREE、Be、Co等。这些元素可作为该区铀成矿的地球化学标志。

关 键 词:双坑铀矿床  围岩蚀变特征  地球化学  元素相关性

Alteration and Its Geochemical Characteristics of the Wall Rocks in Shuangkeng Uranium Deposit in the South of Jiangxi Province
YANG Rui dong,GAO Fei,LIN Jin rong.Alteration and Its Geochemical Characteristics of the Wall Rocks in Shuangkeng Uranium Deposit in the South of Jiangxi Province[J].Uranium Geology,2014(6):335-339.
Authors:YANG Rui dong  GAO Fei  LIN Jin rong
Institution:YANG Rui dong, GAO Fei, LIN Jin rong (1. Geological Party No. 264, J iangxi Provincial Geology Bureau of Nuclear Industry, Ganzhou , J ianga'i 341000, China 2. CNNC Key Laboratory of Uranium Resource Exploration and Evaluation Technology, Beijing Research Institute of Uranium Geology, Beijing 100029, China)
Abstract:This paper studied the alteration characteristics of near ore wallrocks in Shuangkeng uranium deposit.It was found that the main wallrock alterations are chloritization, carbonation, hematitization and hydromicazation.From mineralization center to wallrock,geochemical analysis result of rocks from the deposit suggested that the change of V,Mo,Bi,Cu concentration is consistent with U,indicating that uranium content bears positive relation to V,Sb,Pb,Bi, HREE,Be,Co.These characteristics elements can be used as the geochemical signs for uranium exploration.
Keywords:Shuangkeng uranium deposit  near ore wallrock alteration  geochemical characteristics  correlation of elements
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