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Internal Deformation of Lithosphere Beneath Central Tibet
Zhang, H (Zhang, Heng)1,2; Zhao, DP (Zhao, Dapeng)3; Zhao, JM (Zhao, Junmeng)1,4; Hu, ZG (Hu, Zhaoguo)5; Zhang, H
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
2017
Volume122Issue:9Pages:7329-7342
DOI10.1002/2017JB014184
AbstractWe use a large number of high-quality P wave arrival time data recorded by the Hi-CLIMB project to determine a 3-D model of azimuthal anisotropy tomography beneath central Tibet. In the Himalayan block, variations of fast velocity orientation (FVO) are revealed from the crust to the upper mantle. In contrast, the FVO in the Lhasa block exhibits only a slight difference between the lower crust and upper mantle, reflecting a coherent deformation there. Different FVOs are revealed near the Bangong-Nujiang suture, which may reflect anisotropies in different parts of the underthrusting Indian plate. In the upper mantle beneath the Qiangtang block, a strong anisotropy is revealed in the shallower part, whereas a weak anisotropy appears in the deeper part, suggesting that a two-layer anisotropy model is applicable there. A layered lithosphere is detected in the eastern part of the Lhasa block, whereas a consistent FVO is revealed in its western part. Our results indicate that strong deformation has occurred in both the Indian and Eurasian lithospheres.
Subject Area地球物理学
WOS IDWOS:000412881700020
Language英语
Indexed BySCI
KeywordJapan Subduction Zone Seismic Anisotropy Azimuthal Anisotropy Southern Tibet Velocity Structure Wave Tomography Collision Zone Travel-times Mantle Plateau
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
Cooperation Status国际
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/7994
Collection图书馆
Corresponding AuthorZhang, H
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Lab Continental Collis & Plateau Uplift, Beijing, Peoples R China.
2.MIT, Dept Earth Atmospher & Planetary Sci, 77 Massachusetts Ave, Cambridge, MA 02139 USA.
3.Tohoku Univ, Dept Geophys, Sendai, Miyagi, Japan.
4.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China.
5.China Cent Bur Met & Geol, Shandong Zhengyuan Inst Geol Explorat, Jinan, Shandong, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, H ,Zhao, DP ,Zhao, JM ,et al. Internal Deformation of Lithosphere Beneath Central Tibet[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,2017,122(9):7329-7342.
APA Zhang, H ,Zhao, DP ,Zhao, JM ,Hu, ZG ,&Zhang, H.(2017).Internal Deformation of Lithosphere Beneath Central Tibet.JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,122(9),7329-7342.
MLA Zhang, H ,et al."Internal Deformation of Lithosphere Beneath Central Tibet".JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 122.9(2017):7329-7342.
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