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The role of pre-existing weak zones in the formation of the Himalaya and Tibetan plateau: 3-D thermomechanical modelling

文献类型：期刊论文

作者Chen, Lin2; Liu, Lijun3; Capitanio, Fabio A.4; Gerya, Taras, V1; Li, Yang2
刊名GEOPHYSICAL JOURNAL INTERNATIONAL
出版日期2020-06-01
卷号221期号:3页码:1971-1983
关键词Numerical modelling Asia Dynamics of lithosphere and mantle Tectonics and landscape evolution
ISSN号0956-540X
DOI10.1093/gji/ggaa125
英文摘要The Tibetan crust is sliced by several east-west trending suture zones. The role of these suture zones in the evolution of the Himalayan range and Tibetan plateau remains unclear. Here we use 3-D thermomechanical simulations to investigate the role of pre-existing weak zones within the Asian Plate in the formation of orogen and plateau growth during continental collision. Our results show that partitioning of deformation along the convergent margin leads to scraping off of crustal material into an orogenic wedge above the margin and crustal thickening in the retro-continent, eventually forming a large orogenic plateau in front of the indenter. Pre-existing weak zone(s) within the retro-continent is reactivated at the early stage of convergence, and facilitates the northward propagation of strain and widening of the orogcnic plateau. The northernmost weak zone sets the northern limit of the Tibetan plateau. Our models also show rheological weakening of the congested buoyant crust within the collisional zone drives wedge-type exhumation of deeply buried crust at the southern flank of the plateau, which may explain the formation of the Greater Himalayan Sequence.
WOS关键词FINITE STRAIN CALCULATIONS ; INDIA-ASIA COLLISION ; MANTLE BENEATH TIBET ; TECTONIC EVOLUTION ; CONTINENTAL DEFORMATION ; SOUTHERN TIBET ; EXTRUSION ; DYNAMICS ; OROGEN ; METAMORPHISM
资助项目Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB18000000] ; National Natural Science Foundation of China[41974110] ; National Natural Science Foundation of China[91955311] ; National Natural Science Foundation of China[41888101] ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences)
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000536503700036
出版者OXFORD UNIV PRESS
资助机构Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the 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 ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the 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 ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the 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 ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the 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 ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences) ; CAS Pioneer Hundred Talents Program (Chinese Academy of Sciences)
源URL[http://ir.iggcas.ac.cn/handle/132A11/96692]  
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
作者单位1.Swiss Fed Inst Technol, Inst Geophys, CH-8092 Zurich, Switzerland
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
3.Univ Illinois, Dept Geol, Champaign, IL 61820 USA
4.Monash Univ, Sch Earth Atmosphere & Environm, Clayton, Vic 3800, Australia
推荐引用方式
GB/T 7714		 Chen, Lin,Liu, Lijun,Capitanio, Fabio A.,et al. The role of pre-existing weak zones in the formation of the Himalaya and Tibetan plateau: 3-D thermomechanical modelling[J]. GEOPHYSICAL JOURNAL INTERNATIONAL,2020,221(3):1971-1983.
APA Chen, Lin,Liu, Lijun,Capitanio, Fabio A.,Gerya, Taras, V,&Li, Yang.(2020).The role of pre-existing weak zones in the formation of the Himalaya and Tibetan plateau: 3-D thermomechanical modelling.GEOPHYSICAL JOURNAL INTERNATIONAL,221(3),1971-1983.
MLA Chen, Lin,et al."The role of pre-existing weak zones in the formation of the Himalaya and Tibetan plateau: 3-D thermomechanical modelling".GEOPHYSICAL JOURNAL INTERNATIONAL 221.3(2020):1971-1983.

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来源：地质与地球物理研究所

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