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Complex structure of upper mantle beneath the Yadong-Gulu rift in Tibet revealed by S-to-P converted waves
Liu, Zhen1,2; Tian, Xiaobo1,3; Yuan, Xiaohui4; Liang, Xiaofeng1,2; Chen, Yun1,2; Zhu, Gaohua5; Zhang, Hongshuang6; Li, Wei1,2; Tan, Ping7; Zuo, Sicheng1,2,8; Wu, Chenglong1,2; Nie, Shitan1,2,8; Wang, Gaochun1,2,8; Yu, Guiping1,2,8; Zhou, Beibei1,2,8
2020-02-01
Source PublicationEARTH AND PLANETARY SCIENCE LETTERS
ISSN0012-821X
Volume531Pages:9
AbstractThe convergence between the Indian and Eurasian plates has produced the thick crust and uplifted the Tibetan plateau since about 50 Ma. However, the deformation of the mantle lithosphere is still a puzzle. The geometry of the subducting Indian mantle lithosphere beneath the plateau and the thickening or/and delamination of the Tibetan mantle lithosphere are the keys for understanding the continental collision process and the evolution of the plateau. However, knowledge has been restricted due to sparse data coverage in Tibet. In this study, S-wave receiver functions are calculated using tele-seismic waveforms recorded by two broadband arrays in central Tibet to image the lithospheric structure, mainly the depth variation of the lithosphere-asthenosphere boundary (LAB). Our results show that the depth of the Tibetan LAB decreases from similar to 150 km in the west to similar to 120 km in the east across the north-south trending Yadong-Gulu rift. Similarly, the LAB depth of the subducting Indian slab decreases from similar to 270 km in the west to similar to 200 km in the east, and the northernmost subducting Indian slab can be observed beneath the Bangong-Nujiang suture. These observations suggest that the thickness of the Tibetan lithosphere and the depth of the underlying Indian slab are segmented across the Yadong-Gulu rift in different degrees. The abrupt changes imply that the subducting Indian slab has been torn, which provided an upwelling channel for the asthenosphere contributing to the development of the rift. (C) 2019 The Author(s). Published by Elsevier B.V.
KeywordTibetan plateau Yadong-Gulu rift structure of upper mantle S-to-P converted waves
DOI10.1016/j.epsl.2019.115954
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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 ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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 ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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 ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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
WOS KeywordINDIAN LITHOSPHERE BENEATH ; EAST-WEST EXTENSION ; VELOCITY STRUCTURE ; SOUTHERN TIBET ; SUBDUCTION ; CRUST ; SLAB ; PLATEAU ; GEOLOGY ; ORIGIN
Language英语
Funding ProjectNational Key R&D Program of China[2016YFC0600301] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB03010700] ; National Natural Science Foundation of China[41604051] ; National Natural Science Foundation of China[41574048] ; National Natural Science Foundation of China[41574056] ; National Natural Science Foundation of China[41804056]
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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 ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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 ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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 ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000510947100013
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95678
Collection岩石圈演化国家重点实验室
Corresponding AuthorTian, Xiaobo
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Deutsch GeoForschungsZentrum GFZ, D-14473 Potsdam, Germany
5.Chinese Univ Hong Kong, Fac Sci, Earth Syst Sci Programme, Hong Kong, Peoples R China
6.Chinese Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R China
7.Inst Disaster Prevent, Sanhe 065201, Hebei, Peoples R China
8.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationState Key Laboratory of Lithospheric Evolution
Corresponding Author AffilicationState Key Laboratory of Lithospheric Evolution
Recommended Citation
GB/T 7714
Liu, Zhen,Tian, Xiaobo,Yuan, Xiaohui,et al. Complex structure of upper mantle beneath the Yadong-Gulu rift in Tibet revealed by S-to-P converted waves[J]. EARTH AND PLANETARY SCIENCE LETTERS,2020,531:9.
APA Liu, Zhen.,Tian, Xiaobo.,Yuan, Xiaohui.,Liang, Xiaofeng.,Chen, Yun.,...&Zhou, Beibei.(2020).Complex structure of upper mantle beneath the Yadong-Gulu rift in Tibet revealed by S-to-P converted waves.EARTH AND PLANETARY SCIENCE LETTERS,531,9.
MLA Liu, Zhen,et al."Complex structure of upper mantle beneath the Yadong-Gulu rift in Tibet revealed by S-to-P converted waves".EARTH AND PLANETARY SCIENCE LETTERS 531(2020):9.
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