辽东白云金矿区深部地质结构的瞬变电磁法探测

武军杰; 智庆全; 邓晓红; 王兴春; 杨毅; 张杰; 代鹏

doi:10.3799/dqkx.2020.283

Volume 45 Issue 11

Nov. 2020

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Article Navigation > Earth Science > 2020 > 45(11): 4027-4037

Wu Junjie, Zhi Qingquan, Deng Xiaohong, Wang Xingchun, Yang Yi, Zhang Jie, Dai Peng, 2020. Exploration of Deep Geological Structure of Baiyun Gold Deposit in Eastern Liaoning Province with TEM. Earth Science, 45(11): 4027-4037. doi: 10.3799/dqkx.2020.283

Citation:

Wu Junjie, Zhi Qingquan, Deng Xiaohong, Wang Xingchun, Yang Yi, Zhang Jie, Dai Peng, 2020. Exploration of Deep Geological Structure of Baiyun Gold Deposit in Eastern Liaoning Province with TEM. Earth Science, 45(11): 4027-4037. doi: 10.3799/dqkx.2020.283

Citation:

Wu Junjie, Zhi Qingquan, Deng Xiaohong, Wang Xingchun, Yang Yi, Zhang Jie, Dai Peng, 2020. Exploration of Deep Geological Structure of Baiyun Gold Deposit in Eastern Liaoning Province with TEM. Earth Science, 45(11): 4027-4037. doi: 10.3799/dqkx.2020.283

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Exploration of Deep Geological Structure of Baiyun Gold Deposit in Eastern Liaoning Province with TEM

doi: 10.3799/dqkx.2020.283

Wu Junjie^{1, 2
,
,},
Zhi Qingquan^{1, 2
,
,
,},
Deng Xiaohong^{1, 2},
Wang Xingchun^{1, 2},
Yang Yi^{1, 2},
Zhang Jie^{1, 2},
Dai Peng^{1, 2}

1.
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China
2.
Key Laboratory of Geophysical Electromagnetic Probing Technologies, Ministry of Natural Resources, Langfang 065000, China

Received Date: 2020-07-26
Publish Date: 2020-11-15

Abstract

Abstract

The Baiyun gold deposit in the Liaodong Province,NE,North China craton (NCC),is a large-scale gold deposit with great potential for deep exploration. In order to find deep and peripheral ore in the Baiyun gold deposit,transient electromagnetic (TEM) method was applied to the exploration of strata and structures. Both fixed-loop and central-loop configurations were used in field data acquisition with a high-power transmitting system to ensure high data quality and long observation time. The local strata are mainly the third member of Dashiqiao Formation and Gaixian Formation. The third member of Dashiqiao Formation is of low resistivity in general,which is mainly caused by diopside diorite schist and graphite bearing marble. The main components of Gaixian Formation are schist and granulite,which are of middle to high resistivity. The results show that TEM method can detect the distribution of Gaixian Formation,Dashiqiao Formation,and the folds and faults within these formations. The inversion results of three TEM lines show that the western part of the Baiyun deposit has been greatly compressed,forming obvious nappe structure,while the eastern part of the Baiyun deposit is gentler in fold and weaker in compression. Exploration results show that TEM methods are useful geophysical tools in the study of ore bearing strata and ore control structures in Baiyun gold deposit area.
- TEM,
- geological structure,
- Baiyun gold deposit,
- deep exploration,
- geophysics

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References(60)

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