http://www.sciencedirect.com/science/article/pii/S1674987111001368 |
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| Authors: | Wei Ju Guiting Hou Le Li Fangfeng Xiao |
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| Institution: | 1. The Key Laboratory of Orogenic Belts and Crustal Evolution,Ministry of Education,School of Earth and Space Science,Peking University,Beijing 100871,China;Institute of Oil and Gas Research,Peking University,Beijing 100871,China
2. The Key Laboratory of Orogenic Belts and Crustal Evolution,Ministry of Education,School of Earth and Space Science,Peking University,Beijing 100871,China |
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| Abstract: | This paper presents the end Late Paleozoic tectonic stress field in the southern edge of Junggar Basin by interpreting stress-response structures(dykes,folds,faults with slickenside and conjugate joints).The direction of the maximum principal stress axes is interpreted to be NW—SE (about 325°),and the accommodated motion among plates is assigned as the driving force of this tectonic stress field.The average value of the stress index R’ is about 2.09,which indicates a variation from strike-slip to compressive tectonic stress regime in the study area during the end Late Paleozoic period.The reconstruction of the tectonic field in the southern edge of Junggar Basin provides insights into the tectonic deformation processes around the southern Junggar Basin and contributes to the further understanding of basin evolution and tectonic settings during the culmination of the Paleozoic. |
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| Keywords: | Tectonic stress field Junggar Basin End Late Paleozoic Stress-response structures Stress regime |
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