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Structure Styles of Mesozoic-Cenozoic U-bearing Rock Series in Northern China
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This study was supported by the undertaken units of subprojects of the Program of Survey on Sandstone-Type Uranium Deposits in Northern China. Our special thanks to two reviewers for their reviews and constructive suggestions provided for the improvement of this article. This article was granted by the Ministry of Science and Technology of China (Grant 2015CB453000) and the Geological Survey project of China (Grant No. DD20160128).

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    Abstract:

    In Northern China, sandstone-type uranium (U) deposits are mostly developed in Mesozoic-Cenozoic basins. These U deposits are usually hosted in unvarying horizons within the basins and exhibit typical U-forming sedimentary associations, which is referred to as U-bearing rock series. This study describes the structural features of U-bearing rock series within the main Mesozoic-Cenozoic U-producing continental basins in Kazakhstan, Uzbekistan, and Russia in the western segment of the Central Asian Metallogenic Belt (CAMB), and Northern China in the eastern segment of the CAMB. We analyze the basic structural conditions and sedimentary environments of U-bearing rock series in Northern China and classify their structural styles in typical basins into river valley, basin margin, and intrabasin uplift margin types. The intrabasin uplift margin structural style proposed in this study can be used to indicate directions for the exploration of sandstone-type U deposits hosted in the center of a basin. At the same time, the study of structural style provides a new idea for exploring sandstone-type U deposits in Mesozoic-Cenozoic basins and it is of great significance to prospecting of sandstone-type uranium deposits.

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JIN Ruoshi, MIAO Peisen, SIMA Xianzhang, LI Jianguo, ZHAO Hualei, ZHAO Fengqing, FEN Xiaoxi, CHEN Yin, CHEN Lulu, ZHAO Lijun, ZHU Qiang.2016. Structure Styles of Mesozoic-Cenozoic U-bearing Rock Series in Northern China[J]. Acta Geologica Sinica(),90(6):2104-2116

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History
  • Received:October 09,2016
  • Revised:November 12,2016
  • Online: December 15,2016
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