IGGCAS OpenIR  > 新生代地质与环境院重点实验室
Late Miocene accelerated exhumation in the central Tajik Basin and implications for northward indention and lateral growth of the Pamir
Lu, Lixing1,2; Sun, Jimin1,2,3; Zhang, Zhiliang1; Jia, Yingying1; Tian, Shengchen1,2; Abdulov, Sherzod1,2,4; Gadoev, Mustafo4; Oimahmadov, Ilhomjon4
2020-07-20
Source PublicationTECTONOPHYSICS
ISSN0040-1951
Volume787Pages:13
AbstractThe Tajik Basin, located at the west of the Pamir, is characterized by a series of thin-skinned folds and thrusts within its interior. Constraining the onset of deformation of these structures is important both for illustrating basin inversion process and for understanding growth history of the adjacent Pamir. To date, the timing of thrusting and folding within the Tajik Basin has not been well studied. In this study, we determined the timing of fault motion of the Aruntau thrust in the central Tajik Basin by using apatite (U-Th)/He thermochronometry. Apatite (U-Th)/He age data of sandstone samples collected from the hanging wall of the Aruntau thrust fault, combined with thermal history simulation, constrains the onset of rapid cooling of rock samples at ca. 10-6 Ma. Given the compressional tectonic regime, we propose that the observed rapid cooling was caused by thrust-induced exhumation, and thus, the cooling age of similar to 10-6 Ma approximately represents the timing of thrusting initiation. Integrated with previous studies, we found that the late Miocene tectonic deformation was not only circumscribed within the Tajik Basin, but also occurred in the areas north and east of the Pamir and within the Pamir. We suggest that the synchronously widespread tectonic deformation in the Pamir-Tian Shan convergence zone reflects the enhanced northward indentation and lateral growth of the Pamir since the late Miocene.
KeywordTajik Basin Pamir Fold-and-thrust belt Apatite (U-Th)/He Late Miocene
DOI10.1016/j.tecto.2020.228438
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural 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
WOS KeywordLOW-TEMPERATURE THERMOCHRONOMETRY ; SHAN EXTENSIONAL SYSTEM ; MIGMATITIC GNEISS DOME ; TIAN-SHAN ; TECTONIC EVOLUTION ; FORELAND BASIN ; EASTERN PAMIR ; CENOZOIC EVOLUTION ; NORTHEASTERN PAMIR ; CHINA IMPLICATIONS
Language英语
Funding ProjectNational Natural Science Foundation of China[41888101] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA20070202]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural 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
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000539160100001
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/96885
Collection新生代地质与环境院重点实验室
Corresponding AuthorLu, Lixing; Sun, Jimin
Affiliation1.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.Acad Sci, Inst Geol Earthquake Engn & Seismol, Dushanbe, Tajikistan
First Author AffilicationKey Laboratory of Cenozoic Geology and Environment, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Cenozoic Geology and Environment, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Lu, Lixing,Sun, Jimin,Zhang, Zhiliang,et al. Late Miocene accelerated exhumation in the central Tajik Basin and implications for northward indention and lateral growth of the Pamir[J]. TECTONOPHYSICS,2020,787:13.
APA Lu, Lixing.,Sun, Jimin.,Zhang, Zhiliang.,Jia, Yingying.,Tian, Shengchen.,...&Oimahmadov, Ilhomjon.(2020).Late Miocene accelerated exhumation in the central Tajik Basin and implications for northward indention and lateral growth of the Pamir.TECTONOPHYSICS,787,13.
MLA Lu, Lixing,et al."Late Miocene accelerated exhumation in the central Tajik Basin and implications for northward indention and lateral growth of the Pamir".TECTONOPHYSICS 787(2020):13.
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