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| Keywords | |
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Yitong Basin |
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fault-fold belt |
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electrical profile |
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geological unit |
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CSAMT |
| Authors | |
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SUN Xiao-dong |
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ZENG Zhao-fa |
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WANG Xue-gang |
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YU Qing-shui |
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ZHANG Jian-min |
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LIU Zhuo |
| PubMed | |
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Article by Sun X |
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Article by Zeng Z |
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Article by Wang X |
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Article by Yu Q |
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Article by Zhang J |
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Article by Liu Z |
Electromagnetic anomalies and geological units in southern Leshan segment of the northwestern margin of Yitong Basin
SUN Xiao-dong1,2, ZENG Zhao-fa1,2, WANG Xue-gang1,2, YU Qing-shui3, ZHANG Jian-min1,2, LIU Zhuo1,2
1. College of Geo-exploration Science and Technology, Jilin University, Changchun 130026, China;
2. Ministry of Land and Resources Key Laboratory of Applied Geophysics, Changchun 130026, China;
3. China Power Engineering Consulting Group Northeast Electric Power Design Institute Co. Ltd, Changchun 130021, China
The aim of the study is to use the CSAMT method to explore the fault-fold belt in the northwestern margin of Yitong Basin. Comprehensive geologic interpretation of the study area is achieved on the basis of the combination of the electrical profile obtained from each survey line and the regional geophysical data. The result shows that the study area consists of three geological units, e.g. the Daheishan uplift,the fold belt in the northwestern margin and the Yitong Basin. Two NE-trending faults (F1 and F2) and one nearly EW-trending fault (F3) are delineated by the electrical profile features. The stratigraphic framework is subsequently defined and tectonic contact between the stratigraphic units is identified.