The Great Xing’an Range is situated along the eastern margin of the Central Asian Orogenic Belt, which is a key area in Northeast China for studying geological evolution and polymetallic mineralization. From 2009 to 2023, magnetotelluric (MT) array data were collected in the southeastern Great Xing’an Range. Data processing, phase tensor analysis, and 3-D inversion calculation were used to obtain a preferred 3-D electrical conductivity model. The results revealed several zones of high-conductivity anomalies with a north-south distribution from the upper mantle to the mid−lower crust, which reflect a lithospheric extensional structure that is possibly related to the regional mantle flow triggered by the Mesozoic subduction of the Paleo-Pacific slab. The formation of Mesozoic magmatic hydrothermal deposits in the study area was associated with the upwelling of asthenospheric material. The north-south electrical anomaly plays an important role in controlling mineralization and may be a target for future resource exploration.
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Research Article|
March 13, 2025
Early Publication
Mesozoic Paleo-Pacific plate subduction effect revealed by 3-D magnetotelluric imaging in the southeastern Great Xing’an Range, Northeast China
Hongda Liang;
Hongda Liang
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
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Hui Fang;
Hui Fang
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China4
SinoProbe Laboratory, Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Beijing 100037, China
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Fagen Pei;
Fagen Pei
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China4
SinoProbe Laboratory, Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Beijing 100037, China
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Du Xiao;
Du Xiao
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China
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Rui Gao;
Rui Gao
5
School of Earth Sciences and Engineering, Sun Yat-Sen University, Guangzhou 510275, Guangdong, China
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Xiaobo Zhang;
Xiaobo Zhang
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
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Hanqing Qiao;
Hanqing Qiao
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
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Yan Peng;
Yan Peng
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
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Qinyin Lü;
Qinyin Lü
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
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Gang Wang;
Gang Wang
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
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Meixing He;
Meixing He
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
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Dawei Bai;
Dawei Bai
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
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Yongzhen Yuan
Yongzhen Yuan
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
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Hongda Liang
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
Hui Fang
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China4
SinoProbe Laboratory, Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Beijing 100037, China
Fagen Pei
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China4
SinoProbe Laboratory, Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Beijing 100037, China
Du Xiao
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China
Rui Gao
5
School of Earth Sciences and Engineering, Sun Yat-Sen University, Guangzhou 510275, Guangdong, China
Xiaobo Zhang
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
Hanqing Qiao
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
Yan Peng
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
Qinyin Lü
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
Gang Wang
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
Meixing He
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
Dawei Bai
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
Yongzhen Yuan
1
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China2
The Electromagnetic Detection Technology Key Laboratory of the Ministry of Land and Resources, Langfang 065000, Hebei, China3
National Modern Geological Exploration Technology Research Center, Langfang 065000, Hebei, China
Publisher: Geological Society of America
Received:
10 Nov 2024
Revision Received:
21 Jan 2025
Accepted:
25 Feb 2025
First Online:
14 Mar 2025
Online ISSN: 1943-2674
Print ISSN: 0016-7606
© 2025 Geological Society of America
GSA Bulletin (2025)
Article history
Received:
10 Nov 2024
Revision Received:
21 Jan 2025
Accepted:
25 Feb 2025
First Online:
14 Mar 2025
Citation
Hongda Liang, Hui Fang, Fagen Pei, Du Xiao, Rui Gao, Xiaobo Zhang, Hanqing Qiao, Yan Peng, Qinyin Lü, Gang Wang, Meixing He, Dawei Bai, Yongzhen Yuan; Mesozoic Paleo-Pacific plate subduction effect revealed by 3-D magnetotelluric imaging in the southeastern Great Xing’an Range, Northeast China. GSA Bulletin 2025; doi: https://doi.org/10.1130/B38130.1
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