Fault Structures in and Around Junggar Basin

Abstract

Abstract: The periphery fault structures and spatial distributions in Junggar basin are analyzed. Based on the 3D structural analysis of folded basement, crystal basement and Moho, the EW and SN trending lithospheric fracture in this basin are identified, in which the Kelameili-Eastern Sangequan-Sangequan fault belt controls the tectonic evolution of Luliang uplift. The SN trend faults in basement of the basin are firstly discussed. The analysis of superposed fault system in different sedimentary cap rocks shows that the dense fault belts are closely associated with long-term activities of deep faults, which form the shallow-deep fault configuration. The present landform is mainly controlled by the deep fault structures.

Key words: Junggar basin, periphery fault, basement fault, cover fault

CLC Number:

TE111.2

QU Guo-sheng, MA Zong-jin, ZHANG Ning, LI Tao, TIAN Ye. Fault Structures in and Around Junggar Basin[J]. Xinjiang Petroleum Geology, 2008, 29(3): 290-295.

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