Volume 25 Issue S1
May  2019
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ZHONG Fujun, PAN Jiayong, ZHANG Weimeng, et al., 2019. MAGMATION, TECTONIC ACTIVITY AND URANIUM MINERALIZATION EVENTS OF SOUTHERN ZHUGUANG URANIUM ORE-CONCENTRATED DISTRICT, NORTHERN GUANGDONG, CHINA. Journal of Geomechanics, 25 (S1): 108-114. DOI: 10.12090/j.issn.1006-6616.2019.25.S1.018
Citation: ZHONG Fujun, PAN Jiayong, ZHANG Weimeng, et al., 2019. MAGMATION, TECTONIC ACTIVITY AND URANIUM MINERALIZATION EVENTS OF SOUTHERN ZHUGUANG URANIUM ORE-CONCENTRATED DISTRICT, NORTHERN GUANGDONG, CHINA. Journal of Geomechanics, 25 (S1): 108-114. DOI: 10.12090/j.issn.1006-6616.2019.25.S1.018

MAGMATION, TECTONIC ACTIVITY AND URANIUM MINERALIZATION EVENTS OF SOUTHERN ZHUGUANG URANIUM ORE-CONCENTRATED DISTRICT, NORTHERN GUANGDONG, CHINA

doi: 10.12090/j.issn.1006-6616.2019.25.S1.018
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  • Published: 2019-05-01
  • The southern Zhuguang uranium ore-concentrated district, which is located in central-eastern part of Zhuguangshan complex in Nanling region, China, is an important producer of uranium resource during the past three decades. There is abundant granite related uranium deposits that are generally controlled by the Mesozoic regional magmation, tectonic activity and hydrothermal events in study area, namely "trinity". The Indosinian and Yanshanian magmatism makes uranium preconcentration in crust of Zhuguang area; the tectonic activity provides a favorable location for uranium mineralization; and the hydrothermal activity drives the uranium migration and ore-formation in altered granite and silicified fracture zone. The uranium mineralization in Zhuguang area is characterized by synchronism and multiple stages, and restrained by the crust extension during the Cretaceous Paleogene lithospheric extension in South China. The Cretaceous Paleogene structural evolution of Nanxiong basin and Zhuguangshan complex is possibly responsible for the large scale uranium mineralization in Zhuguang area.

     

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