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DOI10.3389/feart.2021.760100
Mesozoic-Cenozoic Uplift/Exhumation History of the Qilian Shan, NE Tibetan Plateau: Constraints From Low-Temperature Thermochronology
Chen, Lihao; Song, Chunhui; Wang, Yadong; Fang, Xiaomin; Zhang, Yihu; Zhang, Jing; Chen, Yongfa; He, Pengju
通讯作者Song, CH (通讯作者),Lanzhou Univ, Sch Earth Sci, Lanzhou, Peoples R China. ; Song, CH (通讯作者),Lanzhou Univ, Key Lab Mineral Resources Western China Gansu Pro, Lanzhou, Peoples R China.
发表日期2021
EISSN2296-6463
卷号9
英文摘要The Qilian Shan, which is located along the northeastern margin of the Tibetan Plateau, plays a key role in understanding the dynamics of the outward and upward growth of the plateau. However, when and how tectonic deformation evolved into the geographic pattern which is currently observed in the Qilian Shan are still ambiguous. Here, apatite fission track (AFT) thermochronology and sedimentology were conducted to interpret the low-temperature tectonic deformation/exhumation events in well-dated Late Miocene synorogenic sediment sequences in the Xining Basin, which is adjacent to the southern flank of the Qilian Shan. These new low-temperature thermochronological results suggest that the Qilian Shan experienced four stages of tectonic exhumation during the late Mesozoic-Cenozoic. The Late Cretaceous exhumation events in the Qilian Shan were caused by the diachronous Mesozoic convergence of the Asian Plate and Lhasa Block. In the early Cenozoic (ca. 68-48 Ma), the Qilian Shan quasi-synchronously responded to the Indian-Asian plate collision. Subsequently, the mountain range experienced a two-phase deformation during the Eocene-Early Miocene due to the distal effects of ongoing India-Asia plate convergence. At ca. 8 +/- 1 Ma, the Qilian Shan underwent dramatic geomorphological deformation, which marked a change in subsidence along the northeastern margin of the Tibetan Plateau at that time. Our findings suggest that the paleogeographic pattern in the northeastern Tibetan Plateau was affected by the pervasive suture zones in the entire Qilian Shan, in which the pre-Cenozoic and Indian-Asian plate motions reactivated the transpressional faults which strongly modulated the multiperiodic tectonic deformation in northern Tibet during the Cenozoic. These observations provide new evidence for understanding the dynamic mechanisms of the uplift and expansion of the Tibetan Plateau.
关键词ALTYN-TAGH FAULTFISSION-TRACK THERMOCHRONOLOGYQAIDAM BASINXINING BASINTECTONIC EVOLUTIONNORTHEASTERN TIBETCOOLING HISTORYFORELAND BASINHEXI CORRIDORNW CHINA
英文关键词Apatite fission track; Northern Tibetan Plateau; Xining Basin; Qilian Shan; Tectonic exhumation; Geomorphological; NE Tibetan Plateau
语种英语
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000737944100001
来源期刊FRONTIERS IN EARTH SCIENCE
来源机构中国科学院西北生态环境资源研究院
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/254405
作者单位[Chen, Lihao; Song, Chunhui; Zhang, Yihu; Zhang, Jing; Chen, Yongfa; He, Pengju] Lanzhou Univ, Sch Earth Sci, Lanzhou, Peoples R China; [Chen, Lihao; Song, Chunhui; Zhang, Yihu; Zhang, Jing; Chen, Yongfa; He, Pengju] Lanzhou Univ, Key Lab Mineral Resources Western China Gansu Pro, Lanzhou, Peoples R China; [Wang, Yadong; Fang, Xiaomin] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Lanzhou, Gansu, Peoples R China; [Wang, Yadong; Fang, Xiaomin] Key Lab Petr Resources, Lanzhou, Gansu, Peoples R China; [Wang, Yadong] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Rock Mineral Preparat & Fiss Track Dating Lab Geo, Lanzhou, Peoples R China; [Fang, Xiaomin] Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Chen, Lihao,Song, Chunhui,Wang, Yadong,et al. Mesozoic-Cenozoic Uplift/Exhumation History of the Qilian Shan, NE Tibetan Plateau: Constraints From Low-Temperature Thermochronology[J]. 中国科学院西北生态环境资源研究院,2021,9.
APA Chen, Lihao.,Song, Chunhui.,Wang, Yadong.,Fang, Xiaomin.,Zhang, Yihu.,...&He, Pengju.(2021).Mesozoic-Cenozoic Uplift/Exhumation History of the Qilian Shan, NE Tibetan Plateau: Constraints From Low-Temperature Thermochronology.FRONTIERS IN EARTH SCIENCE,9.
MLA Chen, Lihao,et al."Mesozoic-Cenozoic Uplift/Exhumation History of the Qilian Shan, NE Tibetan Plateau: Constraints From Low-Temperature Thermochronology".FRONTIERS IN EARTH SCIENCE 9(2021).
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