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WANG Wei, LI Tao, LIU Tao, LI Tianshi, GUO Changlin. 2020. Characteristics and Genesis of Uranium Mineralization of Geminggou Deposit in Longshoushan, Gansu Province. Northwestern Geology, 53(3): 210-219. doi: 10.19751/j.cnki.61-1149/p.2020.03.019
Citation: WANG Wei, LI Tao, LIU Tao, LI Tianshi, GUO Changlin. 2020. Characteristics and Genesis of Uranium Mineralization of Geminggou Deposit in Longshoushan, Gansu Province. Northwestern Geology, 53(3): 210-219. doi: 10.19751/j.cnki.61-1149/p.2020.03.019
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Characteristics and Genesis of Uranium Mineralization of Geminggou Deposit in Longshoushan, Gansu Province

  • No. 203 Research Institute of Nuclear Industry, Xianyang 712000, Shaanxi, China

Received Date:  11 June 2019
Revised Date:  08 January 2020
    Abstract
  • The Geminggou deposit is located in the northern part of the jiling rock mass in Longshoushan metallogenetic belt with various ore types. Study of main ores shows that different ores have different geochemical characteristics and different assemblages of mineralization alteration. What they have in common is the strong silicification of acid hydrothermal alteration and the forming of pitchblende with the obvious increase of silicon. Therefore, it is considered that Geminggou deposit is a hydrothermal deposit with the filling of fissures and the thermal metasomatism. Uranium mineralization is controlled by the Geminggou fault and its secondary faults, the lithologic interface of structural breccia, marble and amphibolites, and the silicified alteration zone.
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