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  4. 中国科学院新生代地质与环境重点实验室
Cenozoic deformation and crustal shortening in the foreland of southern Tian Shan, NW China, as a response to the India-Asia collision

文献类型：期刊论文

作者Lu, Lixing1,2; Sun, Jimin1,2,3; Zhang, Zhiliang1; Jia, Yingying1; Li, Tao4; Li, Chunhong2,5; Tian, Shengchen1,2; Cao, Mengmeng1,2
刊名JOURNAL OF ASIAN EARTH SCIENCES
出版日期2019-10-01
卷号183页码:16
ISSN号1367-9120
关键词Foreland deformation Shortening rate Growth strata Decollement fold Tian Shan
DOI10.1016/j.jseaes.2019.103960
英文摘要Investigations of geometry and kinematics of foreland fold-and-thrust belts provide key information for understanding how convergence is accommodated in deformed forelands of orogenic belts. Here, we present the structural styles, deformation ages and shortening rates of three en echelon anticlines located at the west end of the Baicheng-Kuqa foreland fold-and-thrust belt. The results indicate that the three anticlines developed above the Eocene evaporites of the Kumugeliemu Group which constitute the decollement level in this typical thin-skinned tectonics. The initial growth of the East Awate and North Kalayuergun anticlines, as indicated by the syn-tectonic growth strata accumulations, occurred at similar to 5.3 Ma with shortening rates of similar to 0.70-0.77 mm/yr and similar to 0.40-0.43 mm/yr, respectively. Whereas, the initial folding time of the Middle Kalayuergun anticline is similar to 2.6-1.7 Ma, resulting in a shortening rate of similar to 0.35-0.65 mm/yr. The shortening rates are lower when compared with foreland deformation in the middle and eastern parts of the Baicheng-Kuqa fold-and-thrust belt. Such differences are mostly related to the strain partitioning caused by the NW-SE dextral strike-slip Kalayuergun fault as well as the influence of a dextral wrenching component in the west end of the Baicheng-Kuqa fold-and-thrust belt. Our study suggests that episodic tectonic deformation in the southern foreland of Tian Shan has been a response to the ongoing India-Asia convergence since the latest Miocene, and the spatial variability of crustal shortening rates has depended on regional tectonic differences.
WOS关键词SYNTECTONIC GROWTH STRATA ; WESTERN KUQA FORELAND ; FOLD-THRUST BELT ; TARIM BASIN ; TIEN-SHAN ; BAICHENG DEPRESSION ; TECTONIC EVOLUTION ; SALT STRUCTURES ; UPLIFT ; MAGNETOSTRATIGRAPHY
资助项目Strategic Priority Research Program of Chinese Academy of Sciences[XDA20070202] ; National Nature Science Foundation of China[41672168] ; National Nature Science Foundation of China[41888101]
WOS研究方向Geology
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000487567500005
资助机构Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; National Nature Science Foundation of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/93700]  
专题地质与地球物理研究所_中国科学院新生代地质与环境重点实验室
通讯作者Lu, Lixing; Sun, Jimin
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Sun Yat Sen Univ, Sch Earth Sci & Engn, Guangdong Provincal Key Lab Geodynam & Geohazards, Guangzhou, Guangdong, Peoples R China
5.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Change & Land Surface Pr, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714		 Lu, Lixing,Sun, Jimin,Zhang, Zhiliang,et al. Cenozoic deformation and crustal shortening in the foreland of southern Tian Shan, NW China, as a response to the India-Asia collision[J]. JOURNAL OF ASIAN EARTH SCIENCES,2019,183:16.
APA Lu, Lixing.,Sun, Jimin.,Zhang, Zhiliang.,Jia, Yingying.,Li, Tao.,...&Cao, Mengmeng.(2019).Cenozoic deformation and crustal shortening in the foreland of southern Tian Shan, NW China, as a response to the India-Asia collision.JOURNAL OF ASIAN EARTH SCIENCES,183,16.
MLA Lu, Lixing,et al."Cenozoic deformation and crustal shortening in the foreland of southern Tian Shan, NW China, as a response to the India-Asia collision".JOURNAL OF ASIAN EARTH SCIENCES 183(2019):16.

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