QIBEBT-IR
Two-stage influences of hydrothermal fluids on pumice near the Iheya North hydrothermal field, Okinawa Trough
Zhang, Yuxiang1,2; Zeng, Zhigang1,2,3,4; Qi, Haiyan1; Yin, Xuebo1; Li, He5; Wang, Xiaoyuan1,3; Chen, Shuai1
2018
发表期刊MARINE GEORESOURCES & GEOTECHNOLOGY
ISSN1064-119X
卷号36期号:4页码:393-404
摘要Hydrothermal precipitates and hydrothermal alteration products could record important information about temporal variations of seafloor hydrothermal systems. Geochemistry, mineralogy, and microscopic features of three pumice samples (T3-1, T3-2, and T3-3) near the Iheya North hydrothermal field were analyzed in this article. The results show that T3-3 sample has undergone at least two-stage influences by hydrothermal fluids. In the first stage, pure amorphous silica from hydrothermal fluid precipitated in the vesicles of all three T3 samples as a result of conductive cooling and fluid-seawater mixing. The precipitation temperatures according to oxygen isotope thermometer are approximately 13-21 degrees C. In the second stage, T3-3 pumice underwent low-temperature hydrothermal alteration, during which the amorphous silica precipitates were redissolved, together resulting in losses of FeO and SiO2 and gains of MgO, Pb, Zn, and Cu. Furthermore, ferruginous filamentous silica, which might be related to activities of Fe-oxidizing bacteria, was formed in the altered pumice. The transformation from pure amorphous silica precipitation to redissolution of the silica in T3-3 pumice might indicate a rise of temperature and/or decrease in silica concentrations in hydrothermal fluids, implying a changing hydrothermal environment.
文章类型Article
关键词Amorphous Silica Hydrothermal Alteration Hydrothermal System Pumice Temporal Variation
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1080/1064119X.2017.1318987
关键词[WOS]EAST PACIFIC RISE ; DE-FUCA RIDGE ; BACK-ARC BASIN ; AMORPHOUS SILICA SOLUBILITIES ; SERIES TEMPERATURE-MEASUREMENTS ; ODP HOLE 504B ; SPREADING CENTER ; CLEFT SEGMENT ; STABLE-ISOTOPES ; SODIUM-CHLORIDE
收录类别SCI
语种英语
WOS研究方向Engineering ; Oceanography ; Mining & Mineral Processing
项目资助者National Key Basic Research Program of China(2013CB429700) ; National Science Foundation of China(41325021 ; Chinese Academy of Sciences(XDA11030302) ; Special Fund for the Taishan Scholar Program of Shandong Province(ts201511061) ; CAS/SAFEA International Partnership Program for Creative Research Teams ; Qingdao National Laboratory for Marine Science and Technology ; Aoshan Science and Technology Innovation Program(2015ASKJ03) ; 41306053 ; 41476044)
WOS类目Engineering, Ocean ; Engineering, Geological ; Oceanography ; Mining & Mineral Processing
WOS记录号WOS:000428587200002
出版者TAYLOR & FRANCIS INC
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/10824
专题中国科学院青岛生物能源与过程研究所
通讯作者Zeng, Zhigang
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Mineral Resources, Qingdao, Peoples R China
4.Qingdao Collaborat Innovat Ctr Marine Sci & Techn, Qingdao, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
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Zhang, Yuxiang,Zeng, Zhigang,Qi, Haiyan,et al. Two-stage influences of hydrothermal fluids on pumice near the Iheya North hydrothermal field, Okinawa Trough[J]. MARINE GEORESOURCES & GEOTECHNOLOGY,2018,36(4):393-404.
APA Zhang, Yuxiang.,Zeng, Zhigang.,Qi, Haiyan.,Yin, Xuebo.,Li, He.,...&Chen, Shuai.(2018).Two-stage influences of hydrothermal fluids on pumice near the Iheya North hydrothermal field, Okinawa Trough.MARINE GEORESOURCES & GEOTECHNOLOGY,36(4),393-404.
MLA Zhang, Yuxiang,et al."Two-stage influences of hydrothermal fluids on pumice near the Iheya North hydrothermal field, Okinawa Trough".MARINE GEORESOURCES & GEOTECHNOLOGY 36.4(2018):393-404.
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