Rchr
J-GLOBAL ID:201801005284009363   Update date: Aug. 22, 2023

Okamoto Atsushi

Okamoto Atsushi
Affiliation and department:
Research field  (2): Earth resource engineering, energy science ,  Solid earth science
Research keywords  (11): Carbonation ,  silica ,  Oman Ophiolite ,  Sanbagawa metamorphic belt ,  serpentinization ,  パターン形成 ,  水熱実験 ,  岩石組織 ,  地熱システム ,  変成作用 ,  岩石ー水相互作用
Research theme for competitive and other funds  (24):
  • 2022 - 2027 Generation of CO2 fluid and mantle carbonation in subduction zones
  • 2022 - 2027 Spatio-temporal dynamisms of fluid-pressure and permeability in arc crusts
  • 2022 - 2025 Mechanisms of accelerated mineral carbonation through self-promoting reactions
  • 2021 - 2025 A unified understanding of fault friction in subduction zone considering material diversity and diagenesis
  • 2022 - 2024 Exploration of p-type semiconductor chimneys at seafloor based on microstructural analysis and thermoelectric characterization
Show all
Papers (160):
  • Atsushi Okamoto, Ryosuke Oyanagi. Si- versus Mg-metasomatism at the crust-mantle interface: insights from experiments, natural observations and geochemical modeling. Progress in Earth and Planetary Science. 2023. 10. 1
  • Nomuulin Amarbayar, Otgonbayar Dandar, Jiajie Wang, Atsushi Okamoto, Masaoki Uno, Undarmaa Batsaikhan, Hideko Takayanagi, Yasufumi Iryu, Noriyoshi Tsuchiya. Progressive carbonation and Ca-metasomatism of serpentinized ultramafic rocks: insights from natural occurrences and hydrothermal experiments. Contributions to Mineralogy and Petrology. 2023. 178
  • Kenta Yoshida, Akira Miyake, Shota H. Okumura, Hidemi Ishibashi, Satoshi Okumura, Atsushi Okamoto, Yasuhiro Niwa, Masao Kimura, Tomoki Sato, Yoshihiko Tamura, et al. Oxidation-induced nanolite crystallization triggered the 2021 eruption of Fukutoku-Oka-no-Ba, Japan. Scientific Reports. 2023. 13. 1
  • Ryosuke Oyanagi, Masaoki Uno, Atsushi Okamoto. Metasomatism at a metapelite-ultramafic rock contact at the subduction interface: Insights into mass transfer and fluid flow at the mantle wedge corner. Contributions to Mineralogy and Petrology. 2023. 178. 5
  • Kazuki Yoshida, Ryosuke Oyanagi, Masao Kimura, Oliver Plümper, Mayuko Fukuyama, Atsushi Okamoto. Geological records of transient fluid drainage into the shallow mantle wedge. Science Advances. 2023. 9. 14
more...
MISC (67):
  • Yoshida Kenta, Okamoto Atsushi, Niwa Yasuhiro, Kimura Masao, Oyanagi Ryosuke, Sawada Hikaru, Niki Sota, Yoshida Kazuki. Multiphase “former supercritical” fluid inclusion originated from the high-temperature pre-Sanbagawa metamorphism. Annual Meeting of the Geological Society of Japan. 2021. 2021. 211
  • 岡本敦, 大柳良介, 吉田一貴, 宇野正起, SATISH-KUMAR M. Dehydration, volume change and element transport during carbonation of mantle wedge. 日本鉱物科学会年会講演要旨(Web). 2020. 2020
  • 阿部光, 渡邉則昭, 中村謙吾, 岡本敦, 駒井武. Formation of amorphous silica particles and its influences on permeability of granite fractures in supercritical geothermal environments. 日本地熱学会学術講演会講演要旨集. 2020. 2020
  • 石塚師也, 山谷祐介, 渡邉教弘, 岡本京祐, 村田泰章, 浅沼宏, 鈴木浩一, 小林洋介, 岡本敦, 鈴木杏奈, et al. Technology for evaluating supercritical geothermal resources and drilling bit life using artificial intelligence-Resource evaluation using artificial intelligence. 日本地熱学会学術講演会講演要旨集. 2020. 2020
  • 渡邉教弘, 山谷祐介, 岡本京祐, 村田泰章, 浅沼宏, 鈴木浩一, 小林洋介, 岡本敦, 鈴木杏奈, 茂木透, et al. AIによる超臨界地熱資源評価技術. 日本地熱学会学術講演会講演要旨集. 2019. 2019
more...
Books (1):
  • 沈み込み帯の含水マントルの炭酸塩化作用ー自己促進的な反応ー破壊カップリング現象ー
    月刊地球「スロー地震に関する地質学的・実験的・地震学的研究の連携と進展」 2022
Lectures and oral presentations  (46):
  • 機械学習を用いた地熱地域の温度構造推定手法の開発
    (資源・素材(Web) 2019)
  • 多成分溶液の光散乱現象を用いた臨界点決定方法の実験的研究
    (日本地球惑星科学連合大会予稿集(Web) 2019)
  • 超臨界条件の水-岩石相互作用の理解のための熱力学データ構築の試み
    (日本地熱学会 2018)
  • 超臨界条件の岩石-水相互作用と斜長石の溶解・析出
    (日本地球惑星科学連合大会 2018)
  • 超臨界条件の岩石-水相互作用と斜長石の溶解・析出
    (日本地質学会学術大会講演要旨 2018)
more...
Education (3):
  • 2000 - 2003 The University of Tokyo
  • 1998 - 2000 The University of Tokyo
  • 1994 - 1998 The University of Tokyo
Professional career (1):
  • 博士(理学) (東京大学)
Work history (5):
  • 2020/04 - 現在 Tohoku University Graduate School of Environmental Studies
  • 2011/10 - 2020/03 Tohoku University Graduate School of Environmental Studies
  • 2007/04 - 2011/09 Tohoku University Graduate School of Environmental Studies
  • 2005/10 - 2007/04 Tohoku University Graduate School of Environmental Studies
  • 2003/04 - 2005/09 Shizuoka University
Committee career (3):
  • 2022/04 - 現在 Japan Geoscience Union Delegate of JpGU
  • 2019 - 2022/09 日本鉱物科学会行事委員
  • 2017 - 2022/09 日本地質学会 日本地質学雑誌編集委員
Awards (3):
  • 2021/04 - Japan Geoscience Union Nishida Prize Research on the water-rock interaction within the Earth’s interior and the development of rock texture
  • 2013/09 - 日本地質学会 日本地質学会柵山雅則賞 沈み込み帯における流体移動と水-岩石相互作用に関する岩石学的実験的研究
  • 2013/09 - 日本鉱物科学会 日本鉱物科学会研究奨励賞 天然試料解析,および水熱実験による岩石-水相互 作用に関する研究
Association Membership(s) (7):
American Geophysical Union ,  Geochemical Society ,  European Geoscience Union ,  日本地球惑星科学連合 ,  日本地熱学会 ,  日本鉱物科学会 ,  日本地質学会
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