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Gold Science and Technology >

2022 , Vol. 30 >Issue 4: 498 - 507

DOI: https://doi.org/10.11872/j.issn.1005-2518.2022.04.009

Mineral Exploration and Resource Evaluation

Application of High Density Electrical Method in Prospecting for Duoguma Antimony Gold Ore Spot in North Bayan Har Mountains

  • Dexi MA , 1 ,
  • Xirong REN , 2 ,
  • Jiong SONG 1 ,
  • Baowei ZHANG 1
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  • 1. Geophysical Survey Center, China Geological Survey, Langfang 065000, Hebei, China
  • 2. Second Geological Exploration Institute of Gansu Bureau of Geology and Mineral Resources, Lanzhou 730000, Gansu, China

Received date: 2021-12-28

  Revised date: 2022-03-29

  Online published: 2022-10-31

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Highlights

In order to solve the problem that restrict the breakthrough of prospecting（such as ore controlling factors and deposit genesis） in Duoguma antimony gold mining area， the 1∶200 000 As乙 41Sb （Au） stream sediment anomaly and 1∶50 000 Au、As、Sb stream sediment anomaly in Duoguma area of Maduo County were examined by high-density electrical method， and the North Duoguma antimony gold mining point and its periphery were mainly detected.The plane resistivity anomaly shows that the regional NW trending Kunlun Mountain pass Maduo-Gande-Jiuzhi fault is transformed by the later NE trending fault dislocation in this area.High value charge rate （polarizability） anomalies are superimposed at the intersection of the two groups of fault structures. The long axis direction of these anomalies is consistent with the trend of regional structure， and the location is mainly distributed on the side of structural tendency.Combined with the analysis of resistivity section anomalies， these widely distributed and strong anomalies are mainly distributed in the contact zone between regional structure and surrounding rock. The charging rate （polarizability） anomaly combined with the anomaly of polymetallic elements such as antimony and gold in geochemical exploration is selected as the prospecting target for engineering verification.The antimony gold orebody is revealed through trenching engineering， realizing the prospecting breakthrough of the polymetallic prospecting target.

Cite this article

Dexi MA , Xirong REN , Jiong SONG , Baowei ZHANG . Application of High Density Electrical Method in Prospecting for Duoguma Antimony Gold Ore Spot in North Bayan Har Mountains[J]. Gold Science and Technology, 2022 , 30(4) : 498 -507 . DOI: 10.11872/j.issn.1005-2518.2022.04.009

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http://www.goldsci.ac.cn/article/2022/1005-2518/1005-2518-2022-30-4-498.shtml

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