globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.epsl.2018.01.010
Scopus记录号: 2-s2.0-85044121356
论文题名:
Magnetostratigraphy of the Fenghuoshan Group in the Hoh Xil Basin and its tectonic implications for India–Eurasia collision and Tibetan Plateau deformation
作者: Jin C.; Liu Q.; Liang W.; Roberts A.P.; Sun J.; Hu P.; Zhao X.; Su Y.; Jiang Z.; Liu Z.; Duan Z.; Yang H.; Yuan S.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2018
卷: 486
起始页码: 41
结束页码: 53
语种: 英语
英文关键词: Fenghuoshan Group ; Hoh Xil Basin ; magnetostratigraphy ; sediment accumulation rate ; Tanggula Thrust System ; Tibetan Plateau
Scopus关键词: Deformation ; Fenghuoshan Group ; Hoh Xil Basin ; Magnetostratigraphy ; Sediment accumulation ; Thrust systems ; Tibetan Plateau ; Tectonics ; accumulation rate ; continental collision ; deformation mechanism ; magnetostratigraphy ; plate convergence ; sedimentary sequence ; tectonic setting ; China ; Eurasia ; India ; Qinghai-Xizang Plateau
英文摘要: Early Cenozoic plate collision of India and Eurasia was a significant geological event, which resulted in Tibetan Plateau (TP) uplift and altered regional and global atmospheric circulations. However, the timing of initial collision is debated. It also remains unclear whether the TP was deformed either progressively northward, or synchronously as a whole. As the largest basin in the hinterland of the TP, evolution of the Hoh Xil Basin (HXB) and its structural relationship with development of the Tanggula Thrust System (TTS) have important implications for unraveling the formation mechanism and deformation history of the TP. In this study, we present results from a long sedimentary sequence from the HXB that dates the Fenghuoshan Group to ∼72–51 Ma based on magnetostratigraphy and radiometric ages of a volcanic tuff layer within the group. Three depositional phases reflect different stages of tectonic movement on the TTS, which was initialized at 71.9 Ma prior to the India–Eurasia collision. An abrupt sediment accumulation rate increase from 53.9 Ma is a likely response to tectonic deformation in the plateau hinterland, and indicates that initial India–Eurasia collision occurred at no later than that time. This remote HXB tectonosedimentary response implies that compressional deformation caused by India–Eurasia collision likely propagated to the central TP shortly after the collision, which supports the synchronous deformation model for TP. © 2018 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110020
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China; Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing, China; Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen, China; Laboratory for Marine Geology, Qingdao National Oceanography Laboratory for Science and Technology, Qingdao, China; State Key Laboratory of Continental Dynamics, Northwest University, Xi'an, China; Research School of Earth Sciences, The Australian National University, Canberra, ACT, Australia; Department of Earthquake Science, Institute of Disaster Prevention, Langfang, China

Recommended Citation:
Jin C.,Liu Q.,Liang W.,et al. Magnetostratigraphy of the Fenghuoshan Group in the Hoh Xil Basin and its tectonic implications for India–Eurasia collision and Tibetan Plateau deformation[J]. Earth and Planetary Science Letters,2018-01-01,486
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