| 利用裂变径迹方法研究碱交代作用中铀赋存状态的变化 |
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| 引用本文： | 程华汉,马汉峰,向伟东. 利用裂变径迹方法研究碱交代作用中铀赋存状态的变化[J]. 铀矿地质, 2000, 16(5): 291-296 |
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| 作者姓名： | 程华汉 马汉峰 向伟东 |
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| 作者单位： | 核工业北京地质研究院,北京,100029 |
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| 摘 要： | 本文介绍了采用裂变径迹方法研究碱交代作用中铀在岩石主要矿物中的赋存状态的变化，结果表明，经碱交代作用，岩石中主要造岩矿物的铀含量明显降代；含铀副矿物大部分消失，铀被带出；裂变径迹方法可以直观、定量地用于成矿元素在矿物中迁移的研究。
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| 关 键 词： | 碱交代作用 铀 赋存状态 裂变径迹 铀矿床 |
| 修稿时间： | 1999-10-09 |
STUDY ON CHANGES OF EXISTING STATE OF URANIUM DURING ALKALIC METASOMATISM USING FISSION-TRACK METHOD |
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| Cheng Huahan,Ma Hanfeng,Xiang Weidong. STUDY ON CHANGES OF EXISTING STATE OF URANIUM DURING ALKALIC METASOMATISM USING FISSION-TRACK METHOD[J]. Uranium Geology, 2000, 16(5): 291-296 |
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| Authors: | Cheng Huahan Ma Hanfeng Xiang Weidong |
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| Abstract: | This paper introduces changes of existing state of uranium in principle rockforming minerals during alkalic metasomatism using fission-track method. Research results show that uranium content in main rock-forming minerals significantly decreases, and most uranium-bearing accessory minerals disappear, and uranium is removed from the rock after alkalic metasomatism. Authors suggest that fissiontrack method may be directly and quantitatively applied to the research on the migration of oreforming elements in minerals. |
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| Keywords: | Alkalic metasomatism Existing state of uranium Fission-track |
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