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Mantle Flow Patterns Beneath the Junction of Multiple Subduction Systems Between the Pacific and Tethys Domains, SE Asia: Constraints From SKS-wave Splitting Measurements

文献类型：期刊论文

作者Cao, Lingmin7,8; He, Xiaobo1; Zhao, Liang5,6; Lu, ChuanChuan4; Hao, Tianyao2,3,6; Zhao, Minghui6,7,8; Qiu, Xuelin6,7,8
刊名GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS
出版日期2021-09-01
卷号22期号:9页码:17
DOI10.1029/2021GC009700
英文摘要The region around the Celebes Sea, SE Asia, is evolving within a convergent tectonic environment involving the Pacific plate to the east and the Indian-Australian plate to the south. It is arguably one of the most tectonically complex regions in the world and serves as an ideal setting to study dynamic interactions between the Pacific and Tethys tectonic domains. The issue of which subducting plate plays a leading role in governing the regional mantle flow is not well understood. Mantle flow can be characterized by seismic anisotropy observations, providing clues for understanding regional tectonics. We conducted SKS-wave splitting analysis by using data from seven seismic stations located around the Celebes Sea. Our results, when combined with previous observations, suggest the presence of various types of mantle flow in this area, including (a) corner flow in the mantle wedge above the westward-subducting Molucca Sea (Sangihe) slab, (b) two-layer anisotropy related to the eastward-subducting Molucca Sea (Halmahera) slab, (c) deflected flow due to proximity to the Sangihe slab's edges, (d) trenchnormal mantle flow beneath southeastern Borneo due to the subduction of the Indian-Australian plate, and (e) Northwest Borneo-Palawan trough-parallel mantle flow beneath northeastern Borneo. Various types of mantle flow indicate that the dynamic interactions of adjacent subduction zones played crucial roles in influencing the regional upper mantle dynamics between the Tethys and western Pacific domains since the breakup of the Gondwana supercontinent in the Mesozoic.
WOS关键词SEISMIC ANISOTROPY ; SLAB MORPHOLOGY ; SULAWESI ; ZONE ; GEOCHEMISTRY ; COLLISION ; GEODYNAMICS ; PHILIPPINES ; TOMOGRAPHY ; TERTIARY
资助项目National Scientific Foundation of China[91858212] ; National Scientific Foundation of China[42076068] ; National Scientific Foundation of China[41730532] ; National Scientific Foundation of China[91958212] ; National Scientific Foundation of China[91858205] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB42020103] ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)[GML2019ZD0204]
WOS研究方向Geochemistry & Geophysics
语种英语
出版者AMER GEOPHYSICAL UNION
WOS记录号WOS:000702338600025
资助机构National Scientific Foundation of China ; National Scientific Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) ; National Scientific Foundation of China ; National Scientific Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) ; National Scientific Foundation of China ; National Scientific Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) ; National Scientific Foundation of China ; National Scientific Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) ; Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)
源URL[http://ir.iggcas.ac.cn/handle/132A11/102746]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
地质与地球物理研究所_中国科学院油气资源研究重点实验室
通讯作者Cao, Lingmin; He, Xiaobo
作者单位1.Zhejiang Ocean Univ, Dept Marine Sci, Zhoushan, Peoples R China
2.State Ocean Adm, Key Lab Submarine Geosci, Hangzhou, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing, Peoples R China
4.Univ Cambridge, Dept Earth Sci, Bullard Labs, Cambridge, England
5.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
6.Univ Chinese Acad Sci, Beijing, Peoples R China
7.Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Ocean & Marginal Sea Geol, Guangzhou, Peoples R China
8.Southern Marine Sci & Engn Guangdong Lab Guangzho, Guangzhou, Peoples R China
推荐引用方式
GB/T 7714		 Cao, Lingmin,He, Xiaobo,Zhao, Liang,et al. Mantle Flow Patterns Beneath the Junction of Multiple Subduction Systems Between the Pacific and Tethys Domains, SE Asia: Constraints From SKS-wave Splitting Measurements[J]. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,2021,22(9):17.
APA Cao, Lingmin.,He, Xiaobo.,Zhao, Liang.,Lu, ChuanChuan.,Hao, Tianyao.,...&Qiu, Xuelin.(2021).Mantle Flow Patterns Beneath the Junction of Multiple Subduction Systems Between the Pacific and Tethys Domains, SE Asia: Constraints From SKS-wave Splitting Measurements.GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,22(9),17.
MLA Cao, Lingmin,et al."Mantle Flow Patterns Beneath the Junction of Multiple Subduction Systems Between the Pacific and Tethys Domains, SE Asia: Constraints From SKS-wave Splitting Measurements".GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 22.9(2021):17.

入库方式： OAI收割

来源：地质与地球物理研究所

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