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Volume 14 Issue 1
Mar 2003
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Liangjie Tang, Zhijun Jin, Junsheng Dai, Mingli Zhang, Bingshan Zhang. Regional Fault Systems of Qaidam Basin and Adjacent Orogenic Belts. Journal of Earth Science, 2003, 14(1): 65-72.
Citation: Liangjie Tang, Zhijun Jin, Junsheng Dai, Mingli Zhang, Bingshan Zhang. Regional Fault Systems of Qaidam Basin and Adjacent Orogenic Belts. Journal of Earth Science, 2003, 14(1): 65-72.

Regional Fault Systems of Qaidam Basin and Adjacent Orogenic Belts

Funds:

the National Major Fundamental Research and Development Project G19990433

the Petro-China Key Project of Ninth Five-Year Plan 

  • Received Date: 20 Jun 2002
  • Accepted Date: 05 Nov 2002
  • The purpose of this paper is to analyze the regional fault systems of Qaidam basin and adjacent orogenic belts. Field investigation and seismic interpretation indicate that five regional fault systems occurred in the Qaidam and adjacent mountain belts, controlling the development and evolution of the Qaidam basin. These fault systems are: (1)north Qaidam-Qilian Mountain fault system; (2) south Qaidam-East Kunlun Mountain fault system; (3)Altun strike-slip fault system; (4)Elashan strike-slip fault system, and(5)Gansen-Xiaochaidan fault system. It is indicated that the fault systems controlled the orientation of the Qaidam basin, the formation and distribution of secondary faults within the basin, the migration of depocenters and the distribution of hydrocarbon accumulation belt.

     

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