Intra-continental deformation and tectonic evolution of the West Junggar Orogenic Belt,Central Asia:Evidence from remote sensing and structural geological analyses

作     者：Wei-Cui Ding Ting-Dong Li Xuan-Hua Chen Jian-Ping Chen Sheng-Lin Xu Yi-Ping Zhang Bing Li Qiang Yang Wei-Cui Ding;Ting-Dong Li;Xuan-Hua Chen;Jian-Ping Chen;Sheng-Lin Xu;Yi-Ping Zhang;Bing Li;Qiang Yang

作者机构：School of Earth Sciences and ResourcesChina University of GeosciencesBeijing 100083China SinoProbe CenterChinese Academy of Geological Sciences and China Geological SurveyBeijing 100037China Center for Hydrogeology and Environmental GeologyCGSBaodingHebei 071051China 

出 版 物：《Geoscience Frontiers》 (地学前缘（英文版）)

年 卷 期：2020年第11卷第2期

页      面：651-663页

核心收录：

学科分类：070904[理学-构造地质学] 0709[理学-地质学] 07[理学] 

基　　金：supported by the China Geological Survey (Grant Nos. DD20160083, DD20160344-05) the Chinese Academy of Geological Sciences Research Fund (Grant No. CAGS-YWF201706) 

主　　题：Remote sensing Structural analysis Strike-slip fault system Darabut fault West Junggar Central Asian orogenic belt 

摘      要：The West Junggar Orogenic Belt(WJOB)in northwestern Xinjiang,China,is located in the core of the western part of the Central Asian Orogenic Belt(CAOB).It has suffered two stage tectonic evolutions in Phanerozoic,before and after the ocean–continental conversion in Late *** later on intracontinental deformation,characterized by the development of the NE-trending West Junggar sinistral strike-slip fault system(WJFS)since Late Carboniferous and Early Permian,and the NW-trending Chingiz-Junggar dextral strike-slip fault(CJF)in Mesozoic and Cenozoic,has an important significance for the tectonic evolution of the WJOB and the *** this paper,we conduct geometric and kinematic analyses of the WJOB,based on field geological survey and structural interpretation of remote sensing image *** some piercing points such as truncated plutons and anticlines,an average magnitude of^73 km for the left-lateral strike-slip is calculated for the Darabut Fault,a major fault of the *** partial of the displacement should be accommodated by strike-slip fault-related folds developed during the strike-slip *** and curved faults,asymmetrical folds,and irregular contribution of ultramafic bodies,implies potential opposite vertical rotation of the Miao’ergou and the Akebasitao batholiths,resulted from the sinistral strike-slipping along the Darabut *** to conjugate shearing set of the sinistral WJFS and the dextral CJF since Early Mesozoic,superimposed folds formed with N–S convergence in southwestern part of the WJOB.