IOCAS-IR  > 海洋地质与环境重点实验室
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
Source PublicationMARINE GEORESOURCES & GEOTECHNOLOGY
ISSN1064-119X
Volume36Issue:4Pages:393-404
Corresponding AuthorZeng, Zhigang(zgzeng@qdio.ac.cn)
AbstractHydrothermal 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.
KeywordAmorphous silica hydrothermal alteration hydrothermal system pumice temporal variation
DOI10.1080/1064119X.2017.1318987
Indexed BySCI
Language英语
Funding ProjectNational Key Basic Research Program of China[2013CB429700] ; National Science Foundation of China[41325021] ; National Science Foundation of China[41306053] ; National Science Foundation of China[41476044] ; 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]
WOS Research AreaEngineering ; Oceanography ; Mining & Mineral Processing
WOS SubjectEngineering, Ocean ; Engineering, Geological ; Oceanography ; Mining & Mineral Processing
WOS IDWOS:000428587200002
PublisherTAYLOR & FRANCIS INC
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/158789
Collection海洋地质与环境重点实验室
Corresponding AuthorZeng, Zhigang
Affiliation1.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
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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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