柴达木盆地北缘的右行走滑冲断系统及其动力学

doi:10.11743/ogg20060407

Abstract

Abstract:

Interpretation of geophysical data and analysis of fault systems confirm that structures in the northern margin of Qaidam basin were formed after the Pliocene and occur as a series of right-lateral strike-slip thrusts.The faults within the strike-slip thrust belts occur as structure in sectional view,thus direct correlation of strata between the hanging wall and footwall is impossible. The formation of the right-lateral oblique thrust belts were controlled by the N-S oblique thrusting of South Qilian Orogeny and the main terrestrial stress came from the S-N intracontinental subduction of the north margin of Qaidam massive.To interpret the right-lateral strike-slip thrusting,a kinematics model is also provided.

Key words: Qaidam basin, right-lateral strike-slip thrust, South Qilian Orogeny, dynamics

CLC Number:

TE112.2

Xiao Ancheng, Yang Shufeng, Chen Xiaogan, Dang Yuqi, Chen Xinling, Chen Yuanzhong, Wang Liang. Right-lateral strike-slip thrust system and its dynamics along the northern margin of Qaidam basin[J]. Oil & Gas Geology, 2006, 27(4): 482-487,494.

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Right-lateral strike-slip thrust system and its dynamics along the northern margin of Qaidam basin

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