基于PMGRA气体地球化学测量在辽东浅覆盖区找矿的可行性

林成贵; 程志中; 姚晓峰; 颜廷杰; 李阳; 王伟; 郭强

doi:10.3799/dqkx.2020.263

Volume 45 Issue 11

Nov. 2020

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Article Navigation > Earth Science > 2020 > 45(11): 4038-4053

Lin Chenggui, Cheng Zhizhong, Yao Xiaofeng, Yan Tingjie, Li Yang, Wang Wei, Guo Qiang, 2020. Feasibility of Prospecting Based on PMGRA Gas Geochemical Survey in Shallow Covered Area of Liaodong Area. Earth Science, 45(11): 4038-4053. doi: 10.3799/dqkx.2020.263

Citation:

Lin Chenggui, Cheng Zhizhong, Yao Xiaofeng, Yan Tingjie, Li Yang, Wang Wei, Guo Qiang, 2020. Feasibility of Prospecting Based on PMGRA Gas Geochemical Survey in Shallow Covered Area of Liaodong Area. Earth Science, 45(11): 4038-4053. doi: 10.3799/dqkx.2020.263

Citation:

Lin Chenggui, Cheng Zhizhong, Yao Xiaofeng, Yan Tingjie, Li Yang, Wang Wei, Guo Qiang, 2020. Feasibility of Prospecting Based on PMGRA Gas Geochemical Survey in Shallow Covered Area of Liaodong Area. Earth Science, 45(11): 4038-4053. doi: 10.3799/dqkx.2020.263

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Feasibility of Prospecting Based on PMGRA Gas Geochemical Survey in Shallow Covered Area of Liaodong Area

doi: 10.3799/dqkx.2020.263

Lin Chenggui^{1, 2
,
,},
Cheng Zhizhong^{1, 2
,
,},
Yao Xiaofeng^{1, 2},
Yan Tingjie^{1, 2},
Li Yang³,
Wang Wei⁴,
Guo Qiang⁴

1.
Development and Research Center, China Geological Survey, Beijing 100037, China
2.
Technical Guidance Center for Mineral Resources Exploration, Ministry of Natural Resources, Beijing 100083, China
3.
School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China
4.
103 Brigade of Non-Ferrous Geological Bureau of Liaoning Province, Dandong 118008, China

Received Date: 2020-06-23
Publish Date: 2020-11-15

Abstract

Abstract

Gas can carry deep mineralization information migrated to the surface along the rock fissures and fault zones. Therefore, gas geochemical methods can be used to find hidden faults and ore bodies below the cover layer. Based on the Portable Multi-Component Gas Rapid Analyzer (PMGRA) geochemical method, exploratory experimental studies were carried out in Wulong gold mining area and Qingchengzi area, Liaodong area, and supplemented by corresponding soil geochemical surveys for comparison. The results show that the concentration of the gas in the abnormal area is very large, with the abnormal peaks of CO₂ appearing before H₂S, SO₂ and CH₄ in part of the gas anomaly area, along the structural dip direction. In the shallow covered area of Liaodong, both gas and soil geochemical surveys can reflect hidden structures and ore bodies. However, in the thicker covered area, gas geochemical surveys can more clearly reflect the faults and ore bodies, and are less affected by the type and thickness of the cover layer. The results of this test initially show the feasibility of PMGRA geochemical survey method in shallow covered area.
- PMGRA,
- shallow covered area,
- Wulong gold deposit,
- Qingchengzi area,
- Liaodong area,
- geochemistry

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References(59)

References

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