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ANALYSIS OF ELECTRICAL STRUCTURE FEATURE BENEATH THE DONGCUO BASIN IN TIBETAN PLATEAU BASED ON RESULT OF MAGNETOTELLURIC SOUNDING DETECTION
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| LU Jing-qi 1,HE Mei-xing 1,FANG Hui 1,YE Yi-xin 2,ZHONG Qing 1,GAO Bao-tun 1 |
| 1.Institute of Geophysical and Geochemical Exploration,CAGS,Langfang Hebei 065000, China;2.School of Nuclear Engineering and Technology, East China Institute of Technology, Fuzhou Jiangxi 344000, China |
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Abstract The result of magnetotelluric sounding dectection on the profile along Dongcuo basin in Tibetan Plateau shows that the area is divided into four electrical zones,The thickness of the sendiment of the basin is 2~4 km. The surface of the basement presents two depressions and one dome. The conformation is controlled by two overthrusts through the profile. We conclude overthrusts exist at two sides of the basin, and they move towards central part of the basin.
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Received: 10 August 2010
Published: 16 December 2010
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