| 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.
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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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