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Topographic Response of Hinterland Basins in Tibet to the India-Asia Convergence: 3D Thermo-Mechanical Modeling

文献类型：期刊论文

作者Zhang, Pengpeng1,2; Chen, Lin1; Xiao, Wenjiao1,3; Zhang, Ji'en1
刊名FRONTIERS IN EARTH SCIENCE
出版日期2022-05-09
卷号10页码:21
关键词numerical modeling Tibetan Plateau topography uplift history Lunpola Basin
DOI10.3389/feart.2022.845126
英文摘要A number of basins have developed in Tibet since the early stages of the India-Asia collision, and now, they have become integral parts of the Tibetan Plateau. Geophysical and geochemical data reveal that these basins are currently characterized either by strong or weak basements. However, it remains unclear how these hinterland basins evolved during the India-Asia collision and how they affected the post-collisional growth of the Tibetan Plateau. Here, we use 3D thermo-mechanical simulations to investigate the topographic response of a strength-varying hinterland basin imbedded in an orogenic plateau under the horizontal compression condition. Our results show that a strong hinterland basin experiences little deformation and develops into a lowland with respect to the surrounding plateau at the early stages of the collision. The lowland gradually shrinks and survives in the interior of the plateau for similar to 30-40 Myr before merging into the plateau. In contrast, a weak hinterland basin uplifts soon after the initial collision and develops into a highland after similar to 20 Myr of convergence. Topographic analysis reveals that the strong hinterland basin experiences an evident elevation drop after similar to 20-30 Myr of convergence, followed by a rapid uplift. After compiling the paleoelevation data, we proposed that the Tibetan Plateau experienced a four-stage surface uplift, which was characterized by 1) the Gangdese and central watershed highlands isolating three lowlands during the Eocene, 2) the central lowland experiencing an elevation drop of similar to 2000 m during the Oligocene, 3) the central lowland suffering a rapid uplift and merging into the Tibetan Plateau in the Early Miocene, and 4) the south and north lowlands rising and developing into a plateau similar to the modern Tibetan Plateau since the Middle Miocene.
WOS关键词HOH XIL BASIN ; LUNPOLA BASIN ; SOUTHERN TIBET ; LATE-EOCENE ; PLATEAU ; PALEOELEVATION ; PALEOALTIMETRY ; EVOLUTION ; COLLISION ; HIMALAYA
资助项目National Natural Science of Foundation[41888101] ; National Natural Science of Foundation[91955311] ; National Natural Science of Foundation[41974110] ; Strategic Priority Research Program (B) of Chinese Academy of Sciences[XDB18030103]
WOS研究方向Geology
语种英语
出版者FRONTIERS MEDIA SA
WOS记录号WOS:000798977900001
资助机构National Natural Science of Foundation ; National Natural Science of Foundation ; National Natural Science of Foundation ; National Natural Science of Foundation ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; National Natural Science of Foundation ; National Natural Science of Foundation ; National Natural Science of Foundation ; National Natural Science of Foundation ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; National Natural Science of Foundation ; National Natural Science of Foundation ; National Natural Science of Foundation ; National Natural Science of Foundation ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; National Natural Science of Foundation ; National Natural Science of Foundation ; National Natural Science of Foundation ; National Natural Science of Foundation ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; Strategic Priority Research Program (B) of Chinese Academy of Sciences ; Strategic Priority Research Program (B) of Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/105934]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Chen, Lin; Xiao, Wenjiao
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Inst Geol & Planetary Sci, Beijing, Peoples R China
3.Univ Chinese Acad Sci, Inst Geol & Planetary Sci, Urumqi, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Pengpeng,Chen, Lin,Xiao, Wenjiao,et al. Topographic Response of Hinterland Basins in Tibet to the India-Asia Convergence: 3D Thermo-Mechanical Modeling[J]. FRONTIERS IN EARTH SCIENCE,2022,10:21.
APA Zhang, Pengpeng,Chen, Lin,Xiao, Wenjiao,&Zhang, Ji'en.(2022).Topographic Response of Hinterland Basins in Tibet to the India-Asia Convergence: 3D Thermo-Mechanical Modeling.FRONTIERS IN EARTH SCIENCE,10,21.
MLA Zhang, Pengpeng,et al."Topographic Response of Hinterland Basins in Tibet to the India-Asia Convergence: 3D Thermo-Mechanical Modeling".FRONTIERS IN EARTH SCIENCE 10(2022):21.

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来源：地质与地球物理研究所

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