吉林大学学报(地球科学版) ›› 2021, Vol. 51 ›› Issue (6): 1709-1719.doi: 10.13278/j.cnki.jjuese.20180295

• 地质与资源 • 上一篇    下一篇

西藏扎西康铅锌多金属矿床控矿构造的电性特征及找矿预测

樊文鑫1,2, 李光明2, 梁生贤2   

  1. 1. 成都理工大学地球科学学院, 成都 610081;
    2. 中国地质调查局成都地质调查中心, 成都 610081
  • 收稿日期:2020-12-08 出版日期:2021-11-26 发布日期:2021-11-24
  • 作者简介:樊文鑫(1995-),男,博士研究生,主要从事矿床学方面的研究,E-mail:1294339950@qq.com
  • 基金资助:
    中国地质调查局地质调查项目(DD2016001529)

Electrical Characteristics of Ore-Controlling Structures and Prospecting Prediction of Zhaxikang Mining Area, Tibet

Fan Wenxin1,2, Li Guangming2, Liang Shengxian2   

  1. 1. School of Earth Sciences, Chengdu University of Technology, Chengdu 610081, China;
    2. Chengdu Geological Survey Center, China Geological Survey, Chengdu 610081, China
  • Received:2020-12-08 Online:2021-11-26 Published:2021-11-24
  • Supported by:
    Supported by the Geological Survey Second Level Project of China Geological Survey (DD2016001529)

摘要: 西藏扎西康铅锌多金属矿床位于喜马拉雅碰撞造山带东段的多金属成矿带内。为探明该矿床控矿构造的电性特征,笔者在矿区布设两条地球物理(音频大地电磁AMT、大地电磁MT)测线进行数据采集,并经过详细的数据处理和反演计算,得到较好的地下电性结构剖面。结合长期野外调查和物性、钻孔资料,解译出9条断裂,其中包含4条含矿断裂和4条隐伏断裂,1个深部隐伏岩体,划定2个深部有利找矿点(即Ft2和F24断裂深部)。

关键词: 扎西康铅锌多金属矿床, 地球物理, 反演, 电性结构, 断裂, 找矿预测

Abstract: The Zhaxikang Pb-Zn polymetallic deposit is located in the polymetallic metallogenic belt of the eastern section of the Himalayas. In order to determine the electrical characteristics of the ore-controlling structure of the deposit, the authors set up two geophysical (AMT, MT) survey lines in the deposit area for data collection and obtained a good underground electrical structure profile after detailed data processing and inversion calculations. Combined with long-term field surveys, physical properties and drilling data, 9 faults were interpreted, including 4 ore-bearing faults, 4 concealed faults and 1 deep concealed rock mass, and 2 deep favorable prospecting points were delineated(deep fracture of Ft2 and F24).

Key words: Zhaxikang Pb-Zn polymetallic deposit, geophysics, inversion, electrical structure, fault, prospecting prediction

中图分类号: 

  • P631
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