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Late Eocene subduction initiation of the Indian Ocean in the North Sulawesi Arc, Indonesia, induced by abrupt Australian plate acceleration
Zhang, Xiaoran R.1; Huang, Tse-Ning2; Chung, Sun-Lin2,3; Maulana, Adi4; Mawaleda, Musri4; Tien, Chia-Yu5; Lee, Hao-Yang3; Liu, Ping-Ping6
2022-08-01
Source PublicationLITHOS
ISSN0024-4937
Volume422Pages:14
AbstractSubduction of oceanic lithosphere is the main driving force of plate tectonics on Earth, yet, how subduction began (i.e. subduction initiation; SI) remains enigmatic, due to limited SI examples. Here, we report new whole-rock geochemical and zircon U-Pb-Hf isotopic data of arc magmatism from the North Sulawesi Arc, Indonesia, to constrain the petrogenesis, magmatic tempo, and tectonic setting, as well as the timing and trigger of SI. Zircon U-Pb dating yielded crystallization ages of-29.7-16.7 Ma for parental magmas, which are calc-alkaline I-type in nature and show typical subduction-related signatures. Geochemical data and high positive zircon epsilon Hf(t) values indicate magma generation by partial melting of preexisting mafic basement rocks. Our new results, together with literature data, allow the identification of an Indian SI in the Late Eocene, as evidenced by the last vanishing of BAB-type mafic basement rocks at-37 Ma and the first appearance of calc-alkaline felsic arc magmatism at-30 Ma in the North Sulawesi Arc, as well as-36-32 Ma ophiolite and-34-29 Ma metamorphic sole in the nearby East Sulawesi Ophiolite. Such a temporal duration (maximum of-7 Ma) from SI to typical arc magmatism is identical to that (-8-7 Ma) of the Izu-Bonin-Mariana system. Given the contemporaneousness of a sudden increase (from-4-5 to-8-9 cm/y) in northward drifting rate of the Australian plate, we propose that Late Eocene Indian SI was probably linked to the sharp Australian plate ac-celeration. Such plate reorganization may have played a significant role in driving SI in Earth history.
KeywordSubduction initiation Plate acceleration Zircon U-Pb-Hf North Sulawesi Arc Indonesia
DOI10.1016/j.lithos.2022.106742
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program 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 ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program 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 ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program 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 ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences
WOS KeywordA-TYPE GRANITES ; GEOCHEMICAL CHARACTERISTICS ; GEODYNAMIC EVOLUTION ; METAMORPHIC COMPLEX ; SEMAIL OPHIOLITE ; VOLCANIC-ROCKS ; NW SULAWESI ; ISLAND-ARC ; ORIGIN ; COLLISION
Language英语
Funding ProjectNational Natural Science Foundation of China[42172244] ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program 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 ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program 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 ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program 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 ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences ; Pioneer Hundred Talents Program of the Chinese Academy of Sciences
WOS Research AreaGeochemistry & Geophysics ; Mineralogy
WOS SubjectGeochemistry & Geophysics ; Mineralogy
WOS IDWOS:000807568000001
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/105996
Collection岩石圈演化国家重点实验室
Corresponding AuthorZhang, Xiaoran R.; Chung, Sun-Lin
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
2.Natl Taiwan Univ, Dept Geosci, Taipei, Taiwan
3.Acad Sinica, Inst Earth Sci, Taipei, Taiwan
4.Hasanuddin Univ, Dept Geol, Makassar, Indonesia
5.Univ Cambridge, Dept Earth Sci, Cambridge, England
6.Peking Univ, Sch Earth & Space Sci, Key Lab Orogen Belts & Crustal Evolut, Beijing, 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
Zhang, Xiaoran R.,Huang, Tse-Ning,Chung, Sun-Lin,et al. Late Eocene subduction initiation of the Indian Ocean in the North Sulawesi Arc, Indonesia, induced by abrupt Australian plate acceleration[J]. LITHOS,2022,422:14.
APA Zhang, Xiaoran R..,Huang, Tse-Ning.,Chung, Sun-Lin.,Maulana, Adi.,Mawaleda, Musri.,...&Liu, Ping-Ping.(2022).Late Eocene subduction initiation of the Indian Ocean in the North Sulawesi Arc, Indonesia, induced by abrupt Australian plate acceleration.LITHOS,422,14.
MLA Zhang, Xiaoran R.,et al."Late Eocene subduction initiation of the Indian Ocean in the North Sulawesi Arc, Indonesia, induced by abrupt Australian plate acceleration".LITHOS 422(2022):14.
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