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New insights into the origin of the bimodal volcanism in the middle Okinawa Trough: not a basalt-rhyolite differentiation process
Zhang, Yuxiang1,3; Zeng, Zhigang1,2,3; Chen, Shuai1; Wang, Xiaoyuan1,2; Yin, Xuebo1
2018-06-01
发表期刊FRONTIERS OF EARTH SCIENCE
ISSN2095-0195
卷号12期号:2页码:325-338
通讯作者Zeng, Zhigang(zgzeng@ms.qdio.ac.cn)
摘要In the middle Okinawa Trough (MOT), rhyolites have been typically considered as products of crystallization differentiation of basaltic magma as a feature of bimodal volcanism. However, the evidence is insufficient. This paper compared chemical trends of volcanic rocks from the MOT with fractional crystallization simulation models and experimental results and utilized trace element modeling combined with Rayleigh fractionation calculations to re-examine fractional crystallization processes in generating rhyolites. Both qualitative and quantitative studies indicate that andesites, rather than rhyolites, originate by fractional crystallization from basalts in the MOT. Furthermore, we established two batch-melting models for the MOT rhyolites and proposed that type 1 rhyolites are produced by remelting of andesites with amphiboles in the residue, while type 2 rhyolites are derived from remelting of andesites without residual amphiboles. It is difficult to produce melts with a SiO2 content ranging from 62% to 68% either by magmatic differentiation from basalts or by remelting of andesites, and this difficulty might help account for the compositional gap (Daly gap) for bimodal volcanism in the Okinawa Trough.
关键词Okinawa Trough rhyolite andesite remelting fractional crystallization
DOI10.1007/s11707-017-0638-z
收录类别SCI
语种英语
资助项目National Basic Research Program of China[2013CB429700] ; National Natural Science Foundation of China[41325021] ; Special Fund for the Global Change and Air-Sea Interaction Project[GASI-GEOGE-02] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11030302] ; Special Fund for the Taishan Scholar Program of Shandong Province[ts201511061] ; Qingdao National Laboratory for Marine Science and Technology[2015ASTP-0S17] ; Qingdao National Laboratory for Marine Science and Technology[2015ASKJ03] ; Qingdao National Laboratory for Marine Science and Technology[2016ASKJ13] ; Innovative Talent Promotion Program[2012RA2191] ; Science and Technology Development Program of Shandong Province[2013GRC31502] ; National High Level Talent Special Support Program ; CAS/SAFEA International Partnership Program for Creative Research Teams ; Qingdao Collaborative Innovation Center of Marine Science and Technology ; National Basic Research Program of China[2013CB429700] ; National Natural Science Foundation of China[41325021] ; Special Fund for the Global Change and Air-Sea Interaction Project[GASI-GEOGE-02] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11030302] ; Special Fund for the Taishan Scholar Program of Shandong Province[ts201511061] ; Qingdao National Laboratory for Marine Science and Technology[2015ASTP-0S17] ; Qingdao National Laboratory for Marine Science and Technology[2015ASKJ03] ; Qingdao National Laboratory for Marine Science and Technology[2016ASKJ13] ; Innovative Talent Promotion Program[2012RA2191] ; Science and Technology Development Program of Shandong Province[2013GRC31502] ; National High Level Talent Special Support Program ; CAS/SAFEA International Partnership Program for Creative Research Teams ; Qingdao Collaborative Innovation Center of Marine Science and Technology
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000432334400006
出版者SPRINGER
引用统计
被引频次:11[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/337002/154692
专题海洋地质与环境重点实验室
通讯作者Zeng, Zhigang
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Seafloor Hydrothermal Act Lab, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Mineral Resources, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
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Zhang, Yuxiang,Zeng, Zhigang,Chen, Shuai,et al. New insights into the origin of the bimodal volcanism in the middle Okinawa Trough: not a basalt-rhyolite differentiation process[J]. FRONTIERS OF EARTH SCIENCE,2018,12(2):325-338.
APA Zhang, Yuxiang,Zeng, Zhigang,Chen, Shuai,Wang, Xiaoyuan,&Yin, Xuebo.(2018).New insights into the origin of the bimodal volcanism in the middle Okinawa Trough: not a basalt-rhyolite differentiation process.FRONTIERS OF EARTH SCIENCE,12(2),325-338.
MLA Zhang, Yuxiang,et al."New insights into the origin of the bimodal volcanism in the middle Okinawa Trough: not a basalt-rhyolite differentiation process".FRONTIERS OF EARTH SCIENCE 12.2(2018):325-338.
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