GRAVITY, MAGNETIC AND ELECTRIC COMPREHENSIVE GEOPHYSICAL PROSPECTING FOR DEEP STRUCTURES IN HETAO BASIN

LIU Rong; MA Jian-qing; LI Qing-chun; YE Pei-sheng

2016 Vol. 22, No. 4

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LIU Rong, MA Jian-qing, LI Qing-chun, YE Pei-sheng. GRAVITY, MAGNETIC AND ELECTRIC COMPREHENSIVE GEOPHYSICAL PROSPECTING FOR DEEP STRUCTURES IN HETAO BASIN[J]. Journal of Geomechanics, 2016, 22(4): 943-954.

Citation:

LIU Rong, MA Jian-qing, LI Qing-chun, YE Pei-sheng. GRAVITY, MAGNETIC AND ELECTRIC COMPREHENSIVE GEOPHYSICAL PROSPECTING FOR DEEP STRUCTURES IN HETAO BASIN[J]. Journal of Geomechanics, 2016, 22(4): 943-954.

GRAVITY, MAGNETIC AND ELECTRIC COMPREHENSIVE GEOPHYSICAL PROSPECTING FOR DEEP STRUCTURES IN HETAO BASIN

1.
School of Geological Engineering and Geomatics, Chang'an University, Xi'an, Shaanxi 710054, China
2.
Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China

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Corresponding author: MA Jian-qing, majianqing1984@126.com

Received Date: 16 September 2016

Publish Date: 25 December 2016

Abstract

Abstract

The gravity, magnetic, and electrical methods have been used to reveal the structure developed in the deep covered area of the Hetao Basin. We have carried out a lot of research on the characteristics of the northern and southern boundary faults, the features and thickness of Quaternary sediments and the structures developed in the basement of the Hetao Basin. A preliminary study on the distribution of Quaternary aquifer in this area was made by using electrical resistivity method. The joint inversion results of gravity and magnetic data, and earthquake data have been analyzed. And four concealed fault F₁ to F₄ from south to north and Langshan-Seertengshan piedmont fault F₅ have been revealed. The fluctuation and buried depth of the crystalline basement in the area have been revealed. Depth of the basement in the southern part of the study area is about 2.5~4.2 km, and which in the northern part is up to 6 km. North Adjacent to the Seertengshan piedmont fault, the basement rock has been uplifted to about 0-1 km.
- Hetao Basin /
- magnetic prospecting /
- gravity exploration /
- ultrahigh density resistivity method /
- crystalline basement /
- buried fault

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References

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