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Back-Arc Extension of the Central Bransfield Basin Induced by Ridge-Trench Collision: Implications From Ambient Noise Tomography and Stress Field Inversion
Li, Wei1,2; Yuan, Xiaohui1; Heit, Benjamin1; Schmidt-Aursch, Mechita C.3; Almendros, Javier4; Geissler, Wolfram H.3; Chen, Yun2,5
2021-11-16
Source PublicationGEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
Volume48Issue:21Pages:12
AbstractThe Bransfield Basin is a young (similar to 4 Ma) back-arc basin related to the remnant subduction of the Phoenix Plate that once existed along the entire Pacific margin of the Antarctic Peninsula. Based on a recently deployed amphibious seismic network, we use ambient noise tomography to obtain the S-wave velocity structure in the Central Bransfield Basin (CBB). Combining with the stress field inverted from focal mechanisms, our images reveal that the CBB suffers a significant extension in the northwest-southeast direction. The extension is strongest in the northeastern CBB with associated mantle exhumation and weakens to the southwest with decoupled deformations between the upper crust and lithospheric mantle. Such an along-strike variation of extension can be explained by slab window formation and forearc rotation, which are associated with the Phoenix Plate detachment during the ridge-trench collisions at the southwest of the Hero Fracture Zone.
Keywordambient noise tomography S-wave velocity structure back-arc extension ridge-trench collision Bransfield Basin Phoenix Plate
DOI10.1029/2021GL095032
Funding OrganizationBRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; AWI ; AWI ; AWI ; AWI ; GFZ ; GFZ ; GFZ ; GFZ ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; AWI ; AWI ; AWI ; AWI ; GFZ ; GFZ ; GFZ ; GFZ ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; AWI ; AWI ; AWI ; AWI ; GFZ ; GFZ ; GFZ ; GFZ ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; AWI ; AWI ; AWI ; AWI ; GFZ ; GFZ ; GFZ ; GFZ ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL
WOS KeywordSURFACE-WAVE DISPERSION ; DECEPTION ISLAND VOLCANO ; SOUTH SHETLAND ISLANDS ; ANTARCTIC PENINSULA ; VELOCITY STRUCTURE ; RIFTED MARGINS ; SCOTIA RIDGE ; STRAIT ; EVOLUTION ; BENEATH
Language英语
Funding ProjectBRAVOSEIS project[CTM2016-77315-R] ; AWI ; GFZ ; National Natural Science Foundation of China[41804056] ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Projekt DEAL
Funding OrganizationBRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; AWI ; AWI ; AWI ; AWI ; GFZ ; GFZ ; GFZ ; GFZ ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; AWI ; AWI ; AWI ; AWI ; GFZ ; GFZ ; GFZ ; GFZ ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; AWI ; AWI ; AWI ; AWI ; GFZ ; GFZ ; GFZ ; GFZ ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; BRAVOSEIS project ; AWI ; AWI ; AWI ; AWI ; GFZ ; GFZ ; GFZ ; GFZ ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Sino-German (CSC-DAAD) Postdoc Scholarship ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL ; Projekt DEAL
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000716768700034
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/103908
Collection岩石圈演化国家重点实验室
Corresponding AuthorLi, Wei; Yuan, Xiaohui
Affiliation1.Deutsch GeoForschungsZentrum GFZ, Potsdam, Germany
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
3.Helmholtz Zentrum Polar & Meeresforsch, Alfred Wegener Inst, Bremerhaven, Germany
4.Univ Granada, Andalusian Inst Geophys, Granada, Spain
5.CAS Ctr Excellence Deep Earth Sci, Guangzhou, Peoples R China
First Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, Wei,Yuan, Xiaohui,Heit, Benjamin,et al. Back-Arc Extension of the Central Bransfield Basin Induced by Ridge-Trench Collision: Implications From Ambient Noise Tomography and Stress Field Inversion[J]. GEOPHYSICAL RESEARCH LETTERS,2021,48(21):12.
APA Li, Wei.,Yuan, Xiaohui.,Heit, Benjamin.,Schmidt-Aursch, Mechita C..,Almendros, Javier.,...&Chen, Yun.(2021).Back-Arc Extension of the Central Bransfield Basin Induced by Ridge-Trench Collision: Implications From Ambient Noise Tomography and Stress Field Inversion.GEOPHYSICAL RESEARCH LETTERS,48(21),12.
MLA Li, Wei,et al."Back-Arc Extension of the Central Bransfield Basin Induced by Ridge-Trench Collision: Implications From Ambient Noise Tomography and Stress Field Inversion".GEOPHYSICAL RESEARCH LETTERS 48.21(2021):12.
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