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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
发表期刊JOURNAL OF MARINE SYSTEMS
ISSN0924-7963
卷号180页码:140-151
通讯作者Zhai, Shikui(zhaishk@public.qd.sd.cn)
摘要The 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.
关键词Okinawa Trough Sr-Nd-Pb-U isotope Magma source Subduction component
DOI10.1016/j.jmarsys.2016.11.009
收录类别SCI
语种英语
资助项目national 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] ; national 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研究方向Geology ; Marine & Freshwater Biology ; Oceanography
WOS类目Geosciences, Multidisciplinary ; Marine & Freshwater Biology ; Oceanography
WOS记录号WOS:000429514700013
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:35[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/158786
专题海洋地质与环境重点实验室
通讯作者Zhai, Shikui
作者单位1.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
第一作者单位中国科学院海洋研究所
推荐引用方式
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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