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Time Constraints of Late Cenozoic Tectonic Deformation of the Atushi Anticline, Southwestern Tian Shan: Evidence From Cosmogenic Nuclide Burial Age
Chen, Qingyu1,2; Fu, Bihong1; Shi, Pilong1; Kong, Ping3
2022-03-11
Source PublicationFRONTIERS IN EARTH SCIENCE
Volume10Pages:12
AbstractWith the latest uplift episode of Tian Shan occurring since early Miocene, a series of thrust-fold belts were formed in front of Tian Shan. The Kashi foreland thrust-fold belt (KFTB) provided a unique case to understand the ongoing intracontinental deformation within the Pamir-Tian Shan convergence zone (PTCZ). Previous cosmogenic nuclide chronological studies on growth folds suggested that the young thrust-fold belt in front of Pamir formed during 6-1.07 Ma. However, the age constraints of late Cenozoic deformation in front of southwestern Tian Shan are still debated. In this study, we attempt to constrain the initial deformation time of the NEE-striking Atushi anticline (ATA) in the KFTB through the cosmogenic nuclide burial dating data of growth strata near the boundary between Pliocene-Pleistocene Atushi Formation and Xiyu Formation (Xiyu Conglomerate), which are exposed in the southern limb of ATA. Moreover, detailed geological interpretations of multiple remote sensing images and field investigations are also carried out to document the late Cenozoic structural deformation and geomorphologic features of ATA. The Al-26/Be-10 burial dating data of four fine-grained samples reveal that the syntectonic deposit of ATA initiated at 1.79 +/- 0.16 Ma, and the deposit of Xiyu Conglomerate started since 1.67 +/- 0.18 Ma. Thus, we suggest that the thrust-folding of ATA began at ca.1.79 Ma and is currently still active.
Keywordgrowth strata Pliocene-Pleistocene sedimentary strata Al-26 Be-10 burial age tectonic deformation Atushi anticline
DOI10.3389/feart.2022.849167
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP)
WOS KeywordWESTERN TARIM BASIN ; GROWTH STRATA ; TIEN-SHAN ; FORELAND ; EVOLUTION ; MOUNTAINS ; SEDIMENTS ; DEPOSITS ; MARGINS ; THRUST
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA 20070202] ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK0901]
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP)
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000778413000001
PublisherFRONTIERS MEDIA SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/105123
Collection地球与行星物理院重点实验室
Corresponding AuthorFu, Bihong
Affiliation1.Chinese Acad Sci, Aerosp Informat Res Inst, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Chen, Qingyu,Fu, Bihong,Shi, Pilong,et al. Time Constraints of Late Cenozoic Tectonic Deformation of the Atushi Anticline, Southwestern Tian Shan: Evidence From Cosmogenic Nuclide Burial Age[J]. FRONTIERS IN EARTH SCIENCE,2022,10:12.
APA Chen, Qingyu,Fu, Bihong,Shi, Pilong,&Kong, Ping.(2022).Time Constraints of Late Cenozoic Tectonic Deformation of the Atushi Anticline, Southwestern Tian Shan: Evidence From Cosmogenic Nuclide Burial Age.FRONTIERS IN EARTH SCIENCE,10,12.
MLA Chen, Qingyu,et al."Time Constraints of Late Cenozoic Tectonic Deformation of the Atushi Anticline, Southwestern Tian Shan: Evidence From Cosmogenic Nuclide Burial Age".FRONTIERS IN EARTH SCIENCE 10(2022):12.
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