IOCAS-IR  > 海洋地质与环境重点实验室
Geochemical and Sr-Nd-Pb-Li isotopic characteristics of volcanic rocks from the Okinawa Trough: Implications for the influence of subduction components and the contamination of crustal materials
Guo, Kun1,2,3; Zhai, Shikui1; Yu, Zenghui1; Wang, Shujie1; Zhang, Xia1; Wang, Xiaoyuan2,3
2018-04-01
Source PublicationJOURNAL OF MARINE SYSTEMS
ISSN0924-7963
Volume180Pages:140-151
Corresponding AuthorZhai, Shikui(zhaishk@public.qd.sd.cn)
AbstractThe Okinawa Trough is an infant back-arc basin developed along the Ryukyu arc. This paper provides new major and trace element and Sr-Nd-Pb-Li isotope data of volcanic rocks in the Okinawa Trough and combines the published geochemical data to discuss the composition of magma source, the influence of subduction component, and the contamination of crustal materials, and calculate the contribution between subduction sediment and altered oceanic crust in the subduction component. The results showed that there are 97% DM and 3% EMI component in the mantle source in middle trough (MS), which have been influenced by subduction sediment. The Li-Nd isotopes indicate that the contribution of subduction sediment and altered oceanic crust in subduction component are 4 and 96%, respectively. The intermediate-acidic rocks suffer from contamination of continental crust material in shallow magma chamber during fractional crystallization. The acidic rocks in south trough have experienced more contamination of crustal material than those from the middle and north trough segments. (C) 2016 Published by Elsevier B.V.
KeywordOkinawa Trough Sr-Nd-Pb-U isotope Magma source Subduction component
DOI10.1016/j.jmarsys.2016.11.009
Indexed BySCI
Language英语
Funding Projectnational key basic research 973 programme of China[2013CB429702] ; Scientific and Technological Innovation Project - Qingdao National Laboratory for Marine Science and Technology[2015ASKJ03] ; Special Fund for the Taishan Scholar Program of Shandong Province[ts201511061] ; AoShan Talents Program - Qingdao National Laboratory for Marine Science and Technology[2015ASTP-0S17]
WOS Research AreaGeology ; Marine & Freshwater Biology ; Oceanography
WOS SubjectGeosciences, Multidisciplinary ; Marine & Freshwater Biology ; Oceanography
WOS IDWOS:000429514700013
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/158786
Collection海洋地质与环境重点实验室
Corresponding AuthorZhai, Shikui
Affiliation1.Ocean Univ China, Minist Educ, Key Lab Submarine Geosci & Prospect, Qingdao 266100, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Seafloor Hydrothermal Act Lab, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Mineral Resources, Qingdao 266071, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Guo, Kun,Zhai, Shikui,Yu, Zenghui,et al. Geochemical and Sr-Nd-Pb-Li isotopic characteristics of volcanic rocks from the Okinawa Trough: Implications for the influence of subduction components and the contamination of crustal materials[J]. JOURNAL OF MARINE SYSTEMS,2018,180:140-151.
APA Guo, Kun,Zhai, Shikui,Yu, Zenghui,Wang, Shujie,Zhang, Xia,&Wang, Xiaoyuan.(2018).Geochemical and Sr-Nd-Pb-Li isotopic characteristics of volcanic rocks from the Okinawa Trough: Implications for the influence of subduction components and the contamination of crustal materials.JOURNAL OF MARINE SYSTEMS,180,140-151.
MLA Guo, Kun,et al."Geochemical and Sr-Nd-Pb-Li isotopic characteristics of volcanic rocks from the Okinawa Trough: Implications for the influence of subduction components and the contamination of crustal materials".JOURNAL OF MARINE SYSTEMS 180(2018):140-151.
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