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现代地质 ›› 2013, Vol. 27 ›› Issue (2): 332-338.

• 矿床学 • 上一篇    下一篇

江西相山铀矿田邹家山铀矿床蚀变特征及热液来源

姚宏鑫1,2,吕古贤2,聂江涛3,郑光高1,2,曹小兵1,2,徐普林1,2,张锋4,朱随洲5   

  1. 1中国地质大学 地球科学与资源学院,北京100083;2中国地质科学院 地质力学研究所,北京100081;
    3核工业北京地质研究院,北京100029;4中国地质调查局 天津地质调查中心,天津300170;
    5中国冶金地质总局 山东正元地质勘查院,山东 济南250101
  • 收稿日期:2012-04-13 修回日期:2013-01-17 出版日期:2013-04-01 发布日期:2013-04-22
  • 作者简介:姚宏鑫,女,博士研究生,1979年出生,矿物学、岩石学、矿床学专业,主要从事矿床地球化学方面的研究工作。Email:yaohongxin82@yahoo.com.cn。
  • 基金资助:

    国家自然科学基金项目“胶西北金矿床流体地质地球化学与构造成矿研究”(40972061);中国核工业集团公司重点专项“相山矿田构造体系构建与铀成矿作用研究”。

Characteristics of Mineralizing Alteration and Hydrothermal Sources in Zoujiashan Uranium Deposits in Xiangshan Uranium
Ore Field in Jiangxi Province

YAO Hong-xin1,2, Lv Gu-xian2, NIE Jiang-tao3, ZHENG Guang-gao1,2,CAO Xiao-bing1,2, XU Pu-lin1,2,ZHANG Feng4,ZHU Sui-zhou5   

  1. 1School of Earth Sciences and Resources, China University of Geosciences, Beijing100083,China;
    2Institute of Geomechanics, Chinese Academy of Geological Sciences,Beijing100081, China;
    3Beijing Research Institute of Uranium Geology,Beijing100029, China;
    4Tianjin Center, China Geological Survey, Tianjin300170, China;
    5Shandong Zhengyuan Geological Exploration Institute, China Metallurgical Geology Bureau, Jinan, Shandong250101, China
  • Received:2012-04-13 Revised:2013-01-17 Online:2013-04-01 Published:2013-04-22

摘要:

对江西相山铀矿田邹家山矿床不同标高的赋矿围岩及矿石样品进行了主量元素、微量元素和稀土元素地球化学分析。结果表明,邹家山矿床不同中段的矿石经历了碱性—酸性—碱性的蚀变过程,在-85 m中段酸性蚀变达到最强,随深度增加碱性蚀变呈增强的趋势;微量元素的Q型聚类分析、不同中段U含量分析和稀土元素的配分模式表明,成矿物质可能并不来源于赋矿围岩,而是来源于流纹英安岩岩浆。进一步根据与成矿关系密切的13种元素的R型聚类分析,将邹家山矿床成矿热液系统划分为高温成矿热液系统和中低温成矿热液系统。

关键词: 相山铀矿田邹家山铀矿床, 热液蚀变, 成矿物质, 元素地球化学, 江西

Abstract:

In the paper, we analyses the geochemical elements including major elements, trace elements and rare earth elements of ore samples and ore-wall rock samples with different depths in the Zoujiashan mineral deposit of Xiangshan uranium ore field. Two conclusions have been reached as follows. The ore samples of the different depth in the Zoujiashan mineral deposit experience the alteration process of alkaline-acidic-alkaline, and the acidic alteration achieve to the strongest degree in the depth (-85 m); the alkaline alteration is enhanced with the increase of depth. Contents of trace elements, rare earth elements and U show that the metallogenic materials should not be from the ore-wall rock, but from rhyolite dacite magma. Further analysis based on the R cluster close to the mineralization of 13 elements, the ore-forming hydrothermal systems of the Zoujiashan deposit are divided into high temperature hydrothermal fluids and middle-low temperature hydrothermal fluids.

Key words: Zoujiashan uranium deposit in Xiangshan uranium ore field, hydrothermal alteration, metallogenic material, element geochemistry, Jiangxi Province

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