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dc.contributor.authorAzami, Keishiroen
dc.contributor.authorMachida, Shikien
dc.contributor.authorHirano, Naotoen
dc.contributor.authorNakamura, Kentaroen
dc.contributor.authorYasukawa, Kazutakaen
dc.contributor.authorKogiso, Tetsuen
dc.contributor.authorNakanishi, Masaoen
dc.contributor.authorKato, Yasuhiroen
dc.contributor.alternative浅見, 慶志朗ja
dc.contributor.alternative町田, 嗣樹ja
dc.contributor.alternative平野, 直人ja
dc.contributor.alternative中村, 謙太郎ja
dc.contributor.alternative安川, 和孝ja
dc.contributor.alternative小木曽, 哲ja
dc.contributor.alternative中西, 正男ja
dc.contributor.alternative加藤, 泰浩ja
dc.date.accessioned2023-06-05T02:17:50Z-
dc.date.available2023-06-05T02:17:50Z-
dc.date.issued2023-06-01-
dc.identifier.urihttp://hdl.handle.net/2433/283116-
dc.description世界最深の熱水活動の痕跡を --東北日本沖の古く冷たい太平洋プレート上で発見--. 京都大学プレスリリース. 2023-06-02.ja
dc.description.abstractAreas of old and cold oceanic plate lack conventional volcanism and have been assumed to be devoid of submarine hydrothermal activity. However, petit-spot volcanoes are common in areas of flexure of such oceanic plates. Here, we report hydrothermal ferromanganese oxides dredged from the vicinity of a petit-spot volcano at 5.7 km water depth in an area of oceanic plate flexure east of the Japan Trench. The bulk chemical, lead isotopic and mineralogical compositions of the samples indicate their formation by low-temperature hydrothermal activity, which can be interpreted as being caused by fluid–rock interactions at <200 °C. We propose that interaction of local marine sediments with volatile-rich petit-spot magmas may produce hydrothermal fluids containing not only iron and manganese but also enough amounts of carbon dioxide and methane to have implications for the global carbon cycle. However, contemporary hydrothermal activities at petit-spot volcanoes have not been confirmed yet.en
dc.language.isoeng-
dc.publisherSpringer Natureen
dc.rights© The Author(s) 2023en
dc.rightsThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/-
dc.subjectGeochemistryen
dc.subjectVolcanologyen
dc.titleHydrothermal ferromanganese oxides around a petit-spot volcano on old and cold oceanic crusten
dc.typejournal article-
dc.type.niitypeJournal Article-
dc.identifier.jtitleCommunications Earth & Environmenten
dc.identifier.volume4-
dc.relation.doi10.1038/s43247-023-00832-3-
dc.textversionpublisher-
dc.identifier.artnum191-
dc.addressDepartment of Systems Innovation, School of Engineering, The University of Tokyo; Present address: School of Creative Science and Engineering, Waseda University; Present address: Ocean Resources Research Center for Next Generation, Chiba Institution of Technologyen
dc.addressOcean Resources Research Center for Next Generation, Chiba Institution of Technologyen
dc.addressCenter for Northeast Asian Studies, Tohoku Universityen
dc.addressDepartment of Systems Innovation, School of Engineering, The University of Tokyo; Ocean Resources Research Center for Next Generation, Chiba Institution of Technology; Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyoen
dc.addressDepartment of Systems Innovation, School of Engineering, The University of Tokyo; Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyoen
dc.addressGraduate School of Human and Environmental Studies, Kyoto Universityen
dc.addressGraduate School of Science, Chiba Universityen
dc.addressDepartment of Systems Innovation, School of Engineering, The University of Tokyo; Ocean Resources Research Center for Next Generation, Chiba Institution of Technologyen
dc.relation.urlhttps://www.kyoto-u.ac.jp/ja/research-news/2023-06-02-1-
dcterms.accessRightsopen access-
datacite.awardNumber18J21266-
datacite.awardNumber18H03733-
datacite.awardNumber17K05715-
datacite.awardNumber20H05658-
datacite.awardNumber.urihttps://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18J21266/-
datacite.awardNumber.urihttps://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18H03733/-
datacite.awardNumber.urihttps://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17K05715/-
datacite.awardNumber.urihttps://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20H05658/-
dc.identifier.eissn2662-4435-
jpcoar.funderName日本学術振興会ja
jpcoar.funderName日本学術振興会ja
jpcoar.funderName日本学術振興会ja
jpcoar.funderName日本学術振興会ja
jpcoar.awardTitle鉄マンガンクラスト層序学の確立 --環境変動からプレート運動まで--ja
jpcoar.awardTitle海溝近傍での海洋プレート変形に伴う水・熱の流動過程とその沈み込み帯への影響の解明ja
jpcoar.awardTitle海底岩石から直接読み解く沈み込むプレートの変動履歴ja
jpcoar.awardTitle地球環境変動・資源生成の真に革新的な統合理論の創成ja
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