| 福建570铀矿床的同位素地质特征 |
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| 引用本文： | 卢武长,王玉生.福建570铀矿床的同位素地质特征[J].成都理工大学学报(自然科学版),1990(1). |
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| 作者姓名： | 卢武长 王玉生 |
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| 作者单位： | 成都地质学院测试中心
(卢武长)，华南地勘局209研究所(王玉生) |
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| 摘 要： | 作者详细研究了570铀矿床的同位素特征,得出如下结论:a.成矿时间大约为89.3—107.7Ma;b.成矿溶液来自中生代的当地大气降水;c.成矿溶液中的铅、锶、钙主要来自强蚀变的熔结状流纹岩,铀来自高溪岩体;d.成矿溶液中大量CO_2丢失是沥青铀矿沉淀的主要原因。
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| 关 键 词： | 同位素组成 等时线年龄 铀矿床 同位素分馏 放射性成因铅 |
ISOTOPIC GEOLOGICAL FEATURES OF THE 570 URANIUM DEPOSIT, FUJIAN |
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| Lu Wuchang,Wang Yusheng.ISOTOPIC GEOLOGICAL FEATURES OF THE 570 URANIUM DEPOSIT, FUJIAN[J].Journal of Chengdu University of Technology: Sci & Technol Ed,1990(1). |
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| Authors: | Lu Wuchang Wang Yusheng |
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| Institution: | Lu Wuchang;Wang Yusheng |
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| Abstract: | Isotopic characteristics of the 570 uranium deposit are studied in dedail and the main conclusions are as follows:1. The time of mineralization ranges 89.3--107.7Ma.2. The ore-forming Fuid was derived from Mesozoic local meteoric water.3. Pb. Sr, Ca elements in the ore-forming fluid was mainly derived from intensely allered welded rhyolite; U derived fronGaoxi body.4. Enormous loss of CO_2 in ore-bearing fluids may be the primary cause of uranium precipitation. |
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| Keywords: | isotopic composition isochron age uranium deposit isotoope fractionation radiogenic lead |
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