准噶尔中东部地区深部电性结构电磁探测

田少兵; 蔡建超; 胡祥云; 李建慧; 曾思红; 徐珊

doi:10.3799/dqkx.2014.059

Volume 39 Issue 5

May 2014

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Article Navigation > Earth Science > 2014 > 39(5): 620-628

Tian Shaobing, Cai Jianchao, Hu Xiangyun, Li Jianhui, Zeng Sihong, Xu Shan, 2014. Deep Conductivity Structure in Middle-East Junggar Basin Using MT. Earth Science, 39(5): 620-628. doi: 10.3799/dqkx.2014.059

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Tian Shaobing, Cai Jianchao, Hu Xiangyun, Li Jianhui, Zeng Sihong, Xu Shan, 2014. Deep Conductivity Structure in Middle-East Junggar Basin Using MT. Earth Science, 39(5): 620-628. doi: 10.3799/dqkx.2014.059

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Deep Conductivity Structure in Middle-East Junggar Basin Using MT

doi: 10.3799/dqkx.2014.059

Institute of Geophysics & Geomatics, China University of Geosciences, Wuhan 430074, China

Received Date: 2013-05-23
Publish Date: 2014-05-01

Abstract

Abstract

In order to understand the deep structural characteristics of Junggar basin, the conductivity structure of the region is analyzed in the paper using MT data obtained at standard points (45°N 88°E) in Junggar Basin based on SinoProbe project. Employing the method of nonlinear conjugate gradient for a 2D inversion of two short profiles in the study area, and analysis of the regional geological data, it is found that the ground has a good electrical layered structure in the middle-east Junggar Basin. A comparative analysis of the electrical layer and the crustal structure is made on the basis of geological data, finding that they show good consistency. Finally, it is concluded that the Moho depth is about 46 km, and the thickness of the lithosphere is about 100 km. The results can better the understanding of deep crustal structure in Middle-East Junggar Basin.
- electromagnetic prospecting,
- magnetotellurics,
- Junggar basin,
- nonlinear conjugate gradient methods(NLCG),
- electrical layer,
- crustal structure,
- lithosphere

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References(54)

References

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Deep Conductivity Structure in Middle-East Junggar Basin Using MT

doi: 10.3799/dqkx.2014.059

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