| 运用铀同位素研究砂岩型铀矿的几个问题 |
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| 引用本文： | 刘金辉,孙占学,史维浚.运用铀同位素研究砂岩型铀矿的几个问题[J].吉林大学学报(地球科学版),2006,36(4):516-520. |
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| 作者姓名： | 刘金辉 孙占学 史维浚 |
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| 作者单位： | 东华理工学院 地球科学系，江西 抚州 344000 |
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| 摘 要： | 通过砂岩铀矿矿卷前锋铀同位素特征和512矿床含矿层铀同位素特征的研究，对砂岩型铀矿形成过程、铀同位素找矿标志进行了讨论。研究结果表明，砂岩铀矿的形成是一个多期次、滚动式、由氧化向还原环境推进的动态成矿过程，矿体主要定位于Ⅲ区段。根据铀同位素样品在不同氧化还原分带中的分布和矿体的滚动性特征，认为A区定名为地球化学矛盾区更为恰当。
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| 关 键 词： | 同位素地球化学 铀同位素 水文地球化学 铀矿地质 砂岩铀矿 |
| 文章编号： | 1671-5888(2006)04-0516-05 |
| 收稿时间： | 2005-10-14 |
| 修稿时间： | 2005年10月14日 |
The Discussions on Some Problems of Sandstone Type Uranium Ore by Using Uranium Isotopes |
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| LIU Jin-hui,SUN Zhan-xue,SHI Wei-jun.The Discussions on Some Problems of Sandstone Type Uranium Ore by Using Uranium Isotopes[J].Journal of Jilin Unviersity:Earth Science Edition,2006,36(4):516-520. |
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| Authors: | LIU Jin-hui SUN Zhan-xue SHI Wei-jun |
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| Institution: | Earth Science Department,East China Institute of Technology, Fuzhou, Jiangxi 344000,China |
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| Abstract: | Based on the studies of uranium isotope characteristics in the front of ore roll and uranium bearing layer in the 512 deposits, the forming processes and ore prospecting markers of uranium isotopes are discussed. The results indicate that the forming process of the sandstone type uranium deposit is a multi phase rolling dynamic process from oxidation to reduction environment. The uranium ore body is mainly located in the sector Ⅲ. It is reasonable that the sector A should be named as the geochemical conflict sector according to the distributions of uranium isotope samples in the different oxidation-reduction zones and rolling features of forming process of the ore body. |
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| Keywords: | isotope geochemistry uranium isotope hydrogeochemistry uranium geology uranium deposits of sandstone type |
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