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TAO Wei, GUO Ling, LI Yang, WEI Li, CHEN Tao, JI Chun, LIU Tuanfeng, WANG Xiaogang. 2021. The Geological Characteristics and Structural Constraints of Xiaozhaigou Silver Deposit in South Qinling. Northwestern Geology, 54(3): 108-120. doi: 10.19751/j.cnki.61-1149/p.2021.03.008
Citation: TAO Wei, GUO Ling, LI Yang, WEI Li, CHEN Tao, JI Chun, LIU Tuanfeng, WANG Xiaogang. 2021. The Geological Characteristics and Structural Constraints of Xiaozhaigou Silver Deposit in South Qinling. Northwestern Geology, 54(3): 108-120. doi: 10.19751/j.cnki.61-1149/p.2021.03.008
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The Geological Characteristics and Structural Constraints of Xiaozhaigou Silver Deposit in South Qinling

  • 1. State Key Laboratory of Continental Dynamics, Department of Geology, Northwest University, Xi'an 710069, Shaanxi, China;

  • 2. Regional Geological Survey Academe of Shaanxi Geology and Mining Group Co., Ltd. Xianyang 712000, Shaanxi, China;

  • 3. Shaanxi Center of Geological Survey and Planning Research(Shaanxi Geological Exploration Fund Center), Xi'an 710068, Shaanxi, China

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Received Date:  05 July 2020
Revised Date:  27 February 2021
    Abstract
  • Qinling orogen is a multi-cycle composite continental collision orogenic belt. Comprehensive study shows that faulting and folding in the orogen have a good control on the ore body.This paper selects Xiaozhaigou silver deposit in Qinling orogen as the research object.The authors put forward some new understanding to the ore-controlling structure through multi-approaches including the macro-characteristic of silver ore body, the distribution characteristic of geochemical comprehensive anomaly, and the regional structural analysis.The regional tectonic analysis shows that the Xunyangba-Shiwengzi detachment nappe had dextral strike-slip mechanism.The NW-SE extensional faults controlled the silver ore bodies,the silver mineralization alteration zone and the geochemical comprehensive anomaly.In the adjacent area of similar structural system, some ores or alteration zones were developed along the NW-SE faults.It is suggested that further structural analysis should be conducted in this area, which has certain guiding significance to the prospecting achievement.
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