| Left-lateral shear deformation found in southern part of the Gaoligong range in west Yunnan and its tectonic implications |
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| 作者姓名： | FAN Chun WANG Erchie |
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| 作者单位： | Institute of Geology and Geophysics,Institute of Geology and Geophysics;Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100029,China |
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| 基金项目： | 中国科学院知识创新工程项目 |
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| 摘 要： | It is generally understood that the Tertiary structural deformation in the Gaoligong range in west Yunnan was under the control of right-lateral shear, resulting from the northward movement of Indian relative to Eurasian. In the southern part of Gaoligong range, however, we have recently found many pieces of evidence of left-lateral shear deformation, featuring a 10 km wide shear zone cutting through all tectonic elements of the range in N-S direction, which possibly occurred in late Tertiary time, and postdated the right-lateral shear. This is a significant discovery for revealing characteristics of the Tertiary intracontinental deformation of the Gaoligong range and the interaction between the Indian and the Eurasian continents.
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| 关 键 词： | Gaoligong range left-lateral shears shear criteria rotation Sagaing fault |
Left-lateral shear deformation found in southern part of the Gaoligong range in west Yunnan and its tectonic implications |
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| FAN Chun,WANG Erchie.Left-lateral shear deformation found in southern part of the Gaoligong range in west Yunnan and its tectonic implications[J].Progress in Natural Science,2005,15(4):337-341. |
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| Authors: | FAN Chun WANG Erchie |
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| Institution: | 1. Institute of Geology and Geophysics
2. Institute of Geology and Geophysics;Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100029,China |
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| Abstract: | It is generally understood that the Tertiary structural deformation in the Gaoligong range in west Yunnan was under the control of right-lateral shear, resulting from the northward movement of Indian relative to Eurasian. In the southern part of Gaoligong range, however, we have recently found many pieces of evidence of left-lateral shear deformation, featuring a 10 km wide shear zone cutting through all tectonic elements of the range in N-S direction, which possibly occurred in late Tertiary time, and postdated the right-lateral shear. This is a significant discovery for revealing characteristics of the Tertiary intracontinental deformation of the Gaoligong range and the interaction between the Indian and the Eurasian continents. |
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| Keywords: | Gaoligong range left-lateral shears shear criteria rotation Sagaing fault |
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