No late Quaternary deformation across the Tuostai anticline of the proximal fold-and-thrust belt in the northern Chinese Tian Shan foreland
作者单位：华东师范大学地球科学学部 The Institute of Earth and Environmental ScienceUniversity of Potsdam 北京大学地表过程与模拟教育部重点实验室
会议名称：《2016中国地球科学联合学术年会》
会议日期：2016年
学科分类：070904[理学-构造地质学] 0709[理学-地质学] 07[理学]
关 键 词：river terrace tectonic activation climate change the Tian Shan
摘 要：The India-Asia collision occurring during the early Cenozoic is a very spectacular scene in the evolution history of the *** geological process has driven deformation exerting a dominant control on the tectonic and topographic patterns of Central Asia,including western *** response to the collision,the Tian Shan has been tectonically reactivated and intensely *** history of growth and propagation of the modern Tian Shan is thus crucial to understand the mechanism of tectonic deformation of orogenic belts in the interior of Asia in relation to the India-Asia *** encroachment of the Tian Shan range into its foreland basins due to crustal shortening has resulted in formation of several thick-skinned fold-and-thrust belts,which geomorphologically comprise a series of hills sub-parallel to the *** initiation and magnitude of folding in foreland basins of the Tian Shan have been constrained by low-temperature thermochronologic,structural,sedimentologic and magnetostratigraphic investigations on Cenozoic sedimentary strata comprising the *** least in the northern Chinese Tian Shan foreland,the synthetic data show that the initial deformation has progressively migrated ***,the history of Quaternary anticlinal deformation of the proximal structures remains unclear,although active deformation of the anticlines in the distal structure belts has been revealed using geomorphologic *** hinder us to better understand the detailed character and sequence of tectonic deformation of orogenic belts like the Tian *** terraces can provide important information on tectonic deformation in a foreland setting by characterizing the longitudinal profile of terraces or the pattern of river incision across active mountain ***,other factors like climate and lithology may complicate tectonic interpretation of fluvial terrace *** we document aggradation and incision processes of the Sikeshu River,