Okazaki Keishi 岡崎啓史

… Alternative Names

OKAZAKI Keishi 岡崎啓史

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Researcher Number	90784257
Other IDs
Affiliation (Current)	2025: 広島大学, 先進理工系科学研究科(理), 准教授 2025: 国立研究開発法人海洋研究開発機構, 超先鋭研究開発部門(高知コア研究所), 研究員
Affiliation (based on the past Project Information) *help	2022 – 2025: 広島大学, 先進理工系科学研究科(理), 准教授 2018 – 2022: 国立研究開発法人海洋研究開発機構, 超先鋭研究開発部門(高知コア研究所), 研究員 2020: 広島大学, 先進理工系科学研究科(理), 准教授 2017 – 2018: 国立研究開発法人海洋研究開発機構, 高知コア研究所, 研究員
Review Section/Research Field	Principal Investigator Medium-sized Section 17:Earth and planetary science and related fields / Science and Engineering / Basic Section 17040:Solid earth sciences-related Except Principal Investigator Basic Section 17040:Solid earth sciences-related / Medium-sized Section 17:Earth and planetary science and related fields
Keywords	Principal Investigator 沈み込み帯 / 摩擦 / スロー地震 / 地震 / 水 / 岩石レオロジー / 岩石変形実験 / レオロジー / 岩石変形 / プレートテクトニクス … More / 断層 / 高温高圧 / 地震発生帯 / マントル遷移層 / スラブ / 相転移 / 地球深部 / マントル / 深発地震 / 地殻流体 / 岩石変形学 / 含水鉱物 / プレート境界 / 変成反応 / 流動 / 破壊 / 変成岩 / 地質学 / 水ー岩石反応 / 岩石力学 / 水理特性 / 摩擦特性 / 透水係数 / 摩擦実験 / 透水 / 続成作用 / 堆積物 … More Except Principal Investigator 沈み込み帯 / 続成作用 / 蛇紋岩 / 高温高圧実験 / 鉱物沈殿 / 間隙流体圧 / マントルウェッジ / スロー地震 / 間隙水圧 / 砂箱実験 / 南海トラフ / 摩擦 / 摩擦実験 / 地震 / 付加体 / スラブ / 高温高圧 / 変形実験 / 回転式ダイヤモンドアンビルセル / 塑性変形 / 時空間変化 / 応力場 / スラブ内地震 / スロースリップ / ハビタビリティ / 岩石強度 / 弾性的性質 / 熱クラック / プレートテクトニクス / 堆積物試料 / 熱水反応実験 / 堆積物 / 同位体比測定 / 熱水実験 / 堆積物コア / 元素分離 / 重元素安定同位体 / 空隙率 / 「ちきゅう」 / 透水率 / オマーン掘削 / 海洋下部地殻 / モホ面 / IODP国際深海掘削計画 / ICDPオマーン掘削計画 / 国際深海掘削計画 / 地球深部探査船「ちきゅう」 / 弾性波速度 / オマーン陸上掘削 / 蛇紋岩化 / 陸上科学掘削 / 海洋科学掘削 / 岩石物性 / モホ / 電気比抵抗 / 斑れい岩 / 海洋地殻 Less

岩石の高速破壊過程：地震から天体衝突までの統一的理解Principal Investigator
- Principal Investigator
  
  岡崎啓史
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 17:Earth and planetary science and related fields
- Research Institution
  Hiroshima University
回転式DACによる超高圧高温変形実験から明らかにする深部スラブの変形特性
- Principal Investigator
  
  東真太郎
- Project Period (FY)
  2024 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Tokyo Institute of Technology
Further Advanced study of relationship between intraslab and slow earthquakes
- Principal Investigator
  
  北佐枝子
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Building Research Institute
超巨大地震発生域の高温高岩圧高間隙水圧環境を再現した岩石変形実験への挑戦Principal Investigator
- Principal Investigator
  
  岡崎啓史
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Challenging Research (Pioneering)
- Review Section
  
  Medium-sized Section 17:Earth and planetary science and related fields
- Research Institution
  Hiroshima University
Experimental study of fracturing and dissolution/precipitation processes in serpentinite: Implications for recurrence times of deep slow earthquakes
- Principal Investigator
  
  平内健一
- Project Period (FY)
  2022 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Shizuoka University
超高圧超大歪み変形実験による全マントル領域を網羅する地球内部レオロジー断面の決定Principal Investigator
- Principal Investigator
  
  岡崎啓史
- Project Period (FY)
  2021 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 17:Earth and planetary science and related fields
- Research Institution
  Hiroshima University
  Japan Agency for Marine-Earth Science and Technology
Unified understanding of fault friction in subduction zones considering material diversity and diagenesis
- Principal Investigator
  
  山口飛鳥
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  The University of Tokyo
New approach for the mechanical properties and initiation of plate tectonics
- Principal Investigator
  
  Katayama Ikuo
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 17:Earth and planetary science and related fields
- Research Institution
  Hiroshima University
The challenge of deformation experiments under the in-situ temperature, lithostatic and pore fluid pressures condition at the source region of deep slow earthquakesPrincipal Investigator
- Principal Investigator
  
  岡崎啓史
- Project Period (FY)
  2019 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  Japan Agency for Marine-Earth Science and Technology
Investigation of the effects of diagenesis on the stable isotope fractionation based on the speciation analysis
- Principal Investigator
  
  Nakada Ryoichi
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Japan Agency for Marine-Earth Science and Technology
Rheology of the plate interface from shallow to deep subduction zone: effects of fluids and prograde metamorphismPrincipal Investigator
- Principal Investigator
  
  OKAZAKI Keishi
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Japan Agency for Marine-Earth Science and Technology
Petrophysical studies involving petrological descriptions: Implications for the analysis of oceanic Moho discontinuity
- Principal Investigator
  
  Abe Natsue
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Japan Agency for Marine-Earth Science and Technology
Effect of diagenesis on the rheology of subducting sediments and its possible relation to slow earthquakesPrincipal Investigator
- Principal Investigator
  
  岡崎啓史
- Project Period (FY)
  2017 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  Japan Agency for Marine-Earth Science and Technology

All 2024 2023 2022 2021 2020 2019 2018 2017

All Journal Article Presentation

[Journal Article] Low-temperature friction experiments on ice-salt mixtures: Implications for the strength of ice plate boundaries on Europa2024
- Author(s)
  Okazaki Yusuke、Azuma Shintaro、Fukuhara Daijiro、Katayama Ikuo、Sekine Yasuhito、Saruya Tomotaka
- Journal Title
  
  Icarus
  
  Volume: 411 Pages: 115961-115961
- DOI
  10.1016/j.icarus.2024.115961
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K21344, KAKENHI-PROJECT-21K18647, KAKENHI-PLANNED-21H05201, KAKENHI-PROJECT-20H00200, KAKENHI-PROJECT-23H00144
[Journal Article] Cross‐Property Relationship Between Electrical Resistivity and Elastic Wave Velocity of Crustal Rocks From the Oman Drilling Project Hole GT3A: Implications for in Situ Geophysical Properties of Oceanic Crust2023
- Author(s)
  Akamatsu Y.、Nagase K.、Abe N.、Okazaki K.、Hatakeyama K.、Katayama I.
- Journal Title
  
  Journal of Geophysical Research: Solid Earth
  
  Volume: 128 Issue: 6
- DOI
  10.1029/2022jb026130
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23KJ2219, KAKENHI-PLANNED-21H05201, KAKENHI-PROJECT-20H00200
[Journal Article] Paleo‐Permeability Structure of the Crustal Section of the Samail Ophiolite Based on Automated Detection of Veins in X‐Ray CT Core Images From the Oman Drilling Project2023
- Author(s)
  Akamatsu Y.、Katayama I.、Okazaki K.、Michibayashi K.
- Journal Title
  
  Geochemistry, Geophysics, Geosystems
  
  Volume: 24 Issue: 6
- DOI
  10.1029/2022gc010792
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KJ2219, KAKENHI-PLANNED-21H05201, KAKENHI-PROJECT-20H00200, KAKENHI-PROJECT-23K20245
[Journal Article] Role of mantle carbonation in trench outer‐rise region in the global carbon cycle2023
- Author(s)
  Katayama, I., Okazaki, K., & Okamoto, A
- Journal Title
  
  Island Arc
  
  Volume: 32 Issue: 1
- DOI
  10.1111/iar.12499
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-21H05201, KAKENHI-PUBLICLY-22H05295, KAKENHI-PROJECT-22H04932, KAKENHI-PROJECT-20H00200
[Journal Article] The evolution of rock friction is more sensitive to slip than elapsed time, even at near-zero slip rates2022
- Author(s)
  Bhattacharya Pathikrit、Rubin Allan M.、Tullis Terry E.、Beeler Nicholas M.、Okazaki Keishi
- Journal Title
  
  Proceedings of the National Academy of Sciences
  
  Volume: 119 Issue: 30
- DOI
  10.1073/pnas.2119462119
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18283, KAKENHI-PROJECT-21H04528, KAKENHI-PROJECT-23K20896, KAKENHI-PLANNED-21H05201
[Journal Article] Simultaneous Measurements of Elastic Wave Velocity and Porosity of Epidosites Collected From the Oman Ophiolite: Implication for Low Vp/Vs Anomaly in the Oceanic Crust2022
- Author(s)
  Nagase Kumpei、Hatakeyama Kohei、Okazaki Keishi、Akamatsu Yuya、Abe Natsue、Michibayashi Katsuyoshi、Katayama Ikuo
- Journal Title
  
  Geophysical Research Letters
  
  Volume: 49 Issue: 11 Pages: 1-9
- DOI
  10.1029/2022gl098234
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00200, KAKENHI-PROJECT-20J22228, KAKENHI-PROJECT-18H01321, KAKENHI-PROJECT-18H03733, KAKENHI-PROJECT-23K20245
[Journal Article] Listvenite Formation During Mass Transfer into the Leading Edge of the Mantle Wedge: Initial Results from Oman Drilling Project Hole BT1B2022
- Author(s)
  Kelemen Peter B., Okazaki Keishi (著者25人中5番目) et al.
- Journal Title
  
  Journal of Geophysical Research: Solid Earth
  
  Volume: 127 Issue: 2 Pages: 1-38
- DOI
  10.1029/2021jb022352
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04528, KAKENHI-PROJECT-19H02007, KAKENHI-PROJECT-23K20245
[Journal Article] Development of Lattice‐Preferred Orientations of MgO Periclase From Strain Rate Controlled Shear Deformation Experiments Under Pressure up to 120?GPa2022
- Author(s)
  Park Yohan、Azuma Shintaro、Okazaki Keishi、Uesugi Kentaro、Yasutake Masahiro、Nishihara Yu、Nomura Ryuichi
- Journal Title
  
  Geophysical Research Letters
  
  Volume: 49 Issue: 21 Pages: 1-9
- DOI
  10.1029/2022gl100178
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K18647, KAKENHI-PROJECT-19H00723, KAKENHI-PROJECT-19H00724, KAKENHI-PROJECT-20H00198, KAKENHI-PROJECT-21H04528, KAKENHI-PLANNED-21H05201
[Journal Article] Effects of Alteration and Cracks on the Seismic Velocity Structure of Oceanic Lithosphere Inferred From Ultrasonic Measurements of Mafic and Ultramafic Samples Collected by the Oman Drilling Project2021
- Author(s)
  Hatakeyama Kohei、Katayama Ikuo、Abe Natsue、Okazaki Keishi、Michibayashi Katsuyoshi、the Oman Drilling Project Science Party
- Journal Title
  
  Journal of Geophysical Research: Solid Earth
  
  Volume: 126 Issue: 11 Pages: 1-24
- DOI
  10.1029/2021jb021923
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04528, KAKENHI-PROJECT-19H02007, KAKENHI-PROJECT-18H01321, KAKENHI-PROJECT-20H00200, KAKENHI-PROJECT-23K20245
[Journal Article] The Role of Post‐Shock Heating by Plastic Deformation During Impact Devolatilization of Calcite (CaCO3)2021
- Author(s)
  Kurosawa Kosuke、Genda Hidenori、Azuma Shintaro、Okazaki Keishi
- Journal Title
  
  Geophysical Research Letters
  
  Volume: 48 Issue: 7 Pages: 1-9
- DOI
  10.1029/2020gl091130
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H00726, KAKENHI-PROJECT-19H02003, KAKENHI-PROJECT-19H02007, KAKENHI-PLANNED-17H06457, KAKENHI-PROJECT-21H04528
[Journal Article] Major Mineral Fraction and Physical Properties of Carbonated Peridotite (Listvenite) From ICDP Oman Drilling Project Hole BT1B Inferred From X‐Ray CT Core Images2021
- Author(s)
  Okazaki Keishi、Michibayashi Katsuyoshi、Hatakeyama Kohei、Abe Natsue、Johnson Kevin T. M.、Kelemen Peter B.、the Oman Drilling Project Science Team
- Journal Title
  
  Journal of Geophysical Research: Solid Earth
  
  Volume: 126 Issue: 12 Pages: 1-25
- DOI
  10.1029/2021jb022719
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321, KAKENHI-PROJECT-21H04528, KAKENHI-PROJECT-19H02007, KAKENHI-PROJECT-23K20245, KAKENHI-PROJECT-23K20896
[Journal Article] Crack geometry of serpentinized peridotites inferred from onboard ultrasonic data from the Oman Drilling Project2021
- Author(s)
  Katayama Ikuo、Abe Natsue、Okazaki Keishi、Hatakeyama Kohei、Akamatsu Yuya、Michibayashi Katsuyoshi、Godard Marguerite、Kelemen Peter
- Journal Title
  
  Tectonophysics
  
  Volume: 814 Pages: 1-10
- DOI
  10.1016/j.tecto.2021.228978
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321, KAKENHI-PROJECT-21H04528, KAKENHI-PROJECT-19H02007, KAKENHI-PROJECT-20J22228, KAKENHI-PROJECT-20H00200, KAKENHI-PROJECT-23K20245
[Journal Article] Rheology of the Fluid Oversaturated Fault Zones at the Brittle‐Plastic Transition2021
- Author(s)
  Okazaki Keishi、Burdette Eric、Hirth Greg
- Journal Title
  
  Journal of Geophysical Research: Solid Earth
  
  Volume: 126 Issue: 2
- DOI
  10.1029/2020jb020804
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-19H04630, KAKENHI-PROJECT-18H01318, KAKENHI-PROJECT-19H02007, KAKENHI-PROJECT-23K20896
[Journal Article] Deformation of mafic schists from subducted oceanic crust at high pressure and temperature conditions2020
- Author(s)
  Okazaki Keishi、Hirth Greg
- Journal Title
  
  Tectonophysics
  
  Volume: 774 Pages: 228217-228217
- DOI
  10.1016/j.tecto.2019.228217
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-19H04630, KAKENHI-PROJECT-18H01318, KAKENHI-PROJECT-19H02007
[Journal Article] On porosity determination for hard rock drilling using core samples collected by the Oman Drilling Project2020
- Author(s)
  Nagase Kumpei、Katayama Ikuo、Hatakeyama Kohei、Akamatsu Yuya、Okazaki Keishi、Abe Natsue、Michibayashi Katsuyoshi、Yokoyama Tadashi、Oman Drilling Project Science Party
- Journal Title
  
  The Journal of the Geological Society of Japan
  
  Volume: 126 Issue: 12 Pages: 713-717
- DOI
  10.5575/geosoc.2020.0043
- NAID
  130008005138
- ISSN
  0016-7630, 1349-9963
- Year and Date
  2020-12-15
- Language
  Japanese
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02007, KAKENHI-PROJECT-18H01321, KAKENHI-PROJECT-18H03733, KAKENHI-PROJECT-23K20245
[Journal Article] Permeability Profiles Across the Crust‐Mantle Sections in the Oman Drilling Project Inferred From Dry and Wet Resistivity Data2020
- Author(s)
  Katayama Ikuo、Abe Natsue、Hatakeyama Kohei、Akamatsu Yuya、Okazaki Keishi、Ulven Ole Ivar、Hong Gilbert、Zhu Wenlu、Cordonnier Benoit、Michibayashi Katsuyoshi、Godard Marguerite、Kelemen Peter、the Oman Drilling Project Phase 2 Science Party
- Journal Title
  
  Journal of Geophysical Research: Solid Earth
  
  Volume: 125 Issue: 8 Pages: 1-9
- DOI
  10.1029/2019jb018698
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H06347, KAKENHI-PROJECT-18H01321, KAKENHI-PROJECT-18H03733, KAKENHI-PROJECT-20J22228, KAKENHI-PROJECT-23K20245
[Journal Article] Fracture-induced pore fluid pressure weakening and dehydration of serpentinite2019
- Author(s)
  E French Melodie、Hirth Greg、Okazaki Keishi
- Journal Title
  
  Tectonophysics
  
  Volume: 767 Pages: 228168-228168
- DOI
  10.1016/j.tecto.2019.228168
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-19H04630, KAKENHI-PROJECT-18H01318, KAKENHI-PROJECT-19H02007
[Presentation] 氷塩混合物を用いた低温摩擦実験から考察するエウロパのプレート境界強度2023
- Author(s)
  岡崎雄祐，東真太郎，片山郁夫，関根康人，猿谷友孝
- Organizer
  地球惑星科学連合大会
- Data Source
  KAKENHI-PROJECT-20H00200
[Presentation] 下部マントル圧力下大歪変形実験でのFeO多結晶体の結晶選択配向特性2023
- Author(s)
  夏井文凜、東真太郎、岡崎啓史、上杉健太朗、安武正展、野村龍一
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-21H04528
[Presentation] Experimental investigation of reaction-induced weakening and embrittlement: origin of the intermediate-depth earthquakes and the spectrum of slip behaviors at subduction zones?2023
- Author(s)
  Keishi Okazaki
- Organizer
  WRI-17 and AIG-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K20896
[Presentation] 室内変形実験から観察される含水鉱物の脱水弱化と脆性化と沈み込み帯で発生する多様なすべり挙動との関連2023
- Author(s)
  岡崎啓史、Hirth Greg
- Organizer
  JpGU2023
- Data Source
  KAKENHI-PROJECT-22K18283
[Presentation] Experimental Investigation on Effects of the Progressive Diagenetic Reactions of Subducting Sediments on Diverse Slip Behaviors at the Subduction Plate Interface2023
- Author(s)
  Keishi Okazaki, Mizuki Ueda, Yohei Hamada, Asuka Yamaguchi
- Organizer
  AGU 2023 Fall Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K20896
[Presentation] Experimental Investigation on Effects of the Progressive Diagenetic Reactions of Subducting Sediments on Diverse Slip Behaviors at the Subduction Plate Interface2023
- Author(s)
  Keishi Okazaki, Mizuki Ueda, Yohei Hamada, Asuka Yamaguchi
- Organizer
  AGU Fall Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18283
[Presentation] 近赤外線集光による回転式ダイヤモンドアンビルセルの高温技術開発2023
- Author(s)
  東真太郎、岡崎啓史、上杉健太朗、安武正展、夏井文凛、Eranga JAYAWICKRAMA、野村龍一
- Organizer
  第64回高圧討論会
- Data Source
  KAKENHI-PROJECT-21H04528
[Presentation] 東北沈み込み帯アウターライズ域から採取された堆積物試料の摩擦特性における続成作用の影響に関する実験的研究2023
- Author(s)
  上田瑞貴、岡崎啓史、山口飛鳥、濱田洋平
- Organizer
  JpGU2023
- Data Source
  KAKENHI-PROJECT-22K18283
[Presentation] New Procedure for Shipboard Physical Properties Measurements during Hard Rock Drilling2022
- Author(s)
  阿部なつ江・岡崎啓史・片山郁夫・畠山航平・赤松祐哉・長瀬薫平
- Organizer
  JpGU2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] 前弧マントルウェッジ蛇紋岩の破壊様式に対する間隙流体圧の影響2022
- Author(s)
  平内健一・永田有里奈・岡崎啓史
- Organizer
  日本地質学会第129年学術大会
- Data Source
  KAKENHI-PROJECT-23K22591
[Presentation] 脆性塑性遷移領域における水にとむ石英剪断帯のレオロジー2022
- Author(s)
  岡崎啓史
- Organizer
  Japan Geoscience Union Meeting 2022
- Invited
- Data Source
  KAKENHI-PROJECT-23K20896
[Presentation] 炭酸塩岩の高歪速度変形実験と衝突現象における降伏強度と昇温の推定2022
- Author(s)
  鎌戸隆行、東真太郎、岡崎啓史、藤崎俊平、黒澤耕介、玄田英典
- Organizer
  日本地球惑星科学連合2022年大会
- Data Source
  KAKENHI-PROJECT-21H04528
[Presentation] サンカルロスオリビン多結晶体の脆性塑性遷移領域におけるレオロジーと海洋プレートの断層強度プロファイル2022
- Author(s)
  岡崎啓史
- Organizer
  日本地質学会第129年学術大会
- Data Source
  KAKENHI-PROJECT-23K20896
[Presentation] 脆性塑性遷移領域における水にとむ石英剪断帯のレオロジー2022
- Author(s)
  岡崎啓史
- Organizer
  日本地球惑星科学連合2022年大会
- Invited
- Data Source
  KAKENHI-PROJECT-21H04528
[Presentation] High pressure shear deformation experiments on MgO periclase under pressure up to 120 GPa: Toward understanding anisotropy in the lowermost mantle2022
- Author(s)
  Park Yohan、東真太郎、岡崎啓史、上杉健太郎、安武正展、野村龍一
- Organizer
  日本地球惑星科学連合2022年大会
- Invited
- Data Source
  KAKENHI-PROJECT-21H04528
[Presentation] サンカルロスオリビン多結晶体の脆性塑性遷移領域におけるレオロジーと海洋プレートの断層強度プロファイル2022
- Author(s)
  岡崎啓史
- Organizer
  日本地質学会129年大会
- Data Source
  KAKENHI-PROJECT-21H04528
[Presentation] サンカルロスオリビン多結晶体のアウターライズ地震域の温度圧力条件における摩擦すべりと海洋地殻の断層強度プロファイル2022
- Author(s)
  岡崎啓史
- Organizer
  Japan Geoscience Union Meeting 2022
- Data Source
  KAKENHI-PROJECT-23K20896
[Presentation] New Procedure for Shipboard Physical Properties Measurements during Hard Rock Drilling2022
- Author(s)
  阿部なつ江、岡崎啓史、片山郁夫、畠山航平、赤松祐哉、長瀬薫平
- Organizer
  地球惑星科学連合大会
- Data Source
  KAKENHI-PROJECT-20H00200
[Presentation] 排水条件下における高温高封圧高間隙水圧岩石変形実験の予察的結果2021
- Author(s)
  岡崎啓史、武藤潤
- Organizer
  Japan Geoscience Union Meeting 2022
- Data Source
  KAKENHI-PROJECT-23K20896
[Presentation] Mineral mode of listvenite from ICDP Oman Drilling Project Hole BT1B inferred from X-ray CT core images2021
- Author(s)
  岡崎啓史、道林克禎、畠山航平、阿部なつ江、Johnson Kevin、Kelemen Peter
- Organizer
  日本地球惑星科学連合2021年大会
- Invited
- Data Source
  KAKENHI-PROJECT-21H04528
[Presentation] Mineral mode of listvenite from ICDP Oman Drilling Project Hole BT1B inferred from X-ray CT core images2021
- Author(s)
  岡崎啓史、道林克禎、畠山航平、阿部なつ江、Johnson Kevin、Kelemen Peter
- Organizer
  JpGU2021
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] 巨大地震発生域下限付近の温度・圧力・間隙水圧条件を再現できる新しい固体圧岩石変形試験機の開発2021
- Author(s)
  岡崎啓史、武藤潤
- Organizer
  日本地質学会第118年学術大会
- Data Source
  KAKENHI-PROJECT-23K20896
[Presentation] Vein permeability structure of the crustal section in the Oman Drilling Project inferred from the X-ray CT image analysis2021
- Author(s)
  Yuya Akamatsu ，IKUO KATAYAMA，Keishi Okazaki, Michibayashi Katsuyoshi、Oman Drilling Project Phase I Science Party.
- Organizer
  日本地球惑星科学連合2021年大会
- Data Source
  KAKENHI-PROJECT-21H04528
[Presentation] 巨大地震発生域下限付近の温度・圧力・間隙水圧条件を再現できる新しい固体圧岩石変形試験機の開発2021
- Author(s)
  岡崎啓史、武藤潤
- Organizer
  地質学会2021
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] 排水条件下における高温高封圧高間隙水圧岩石変形実験の予察的結果2021
- Author(s)
  岡崎啓史、武藤潤
- Organizer
  JpGU2021
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] フィールドおよび実験的観察から推測される深部スロー地震発生域におけるアンチゴライト蛇紋岩の変形挙動2021
- Author(s)
  永田有里奈、平内健一、岡崎啓史
- Organizer
  日本地質学会第128年学術大会
- Data Source
  KAKENHI-PROJECT-21H04528
[Presentation] Vein permeability structure of the crustal section in the Oman Drilling Project inferred from the X-ray CT image analysis2021
- Author(s)
  赤松祐哉、片山郁夫、岡崎啓史、道林克禎、Oman Drilling Project Phase I Science Party
- Organizer
  地球惑星科学連合大会
- Data Source
  KAKENHI-PROJECT-20H00200
[Presentation] Redox change by coseismic water-rock reactions in the interior of planets2021
- Author(s)
  Takehiro Hirose, Ryoichi Nakada, Keishi Okazaki, Takazo Shibuya
- Organizer
  JpGU2021
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] 炭酸塩岩の高歪速度変形時の挙動2021
- Author(s)
  黒澤耕介、玄田英典、東真太郎、岡崎啓史、大野遼、新原隆史、三河内岳、富岡尚敬、境家達弘、近藤忠、鹿山雅裕、小池みずほ、佐野有司、松崎琢也、村山雅史、佐竹渉、松井孝典.
- Organizer
  日本地球惑星科学連合2021年大会
- Invited
- Data Source
  KAKENHI-PROJECT-21H04528
[Presentation] 排水条件下における高温高封圧高間隙水圧岩石変形実験の予察的結果2021
- Author(s)
  岡崎啓史、武藤潤
- Organizer
  日本地球惑星科学連合2021年大会
- Invited
- Data Source
  KAKENHI-PROJECT-21H04528
[Presentation] オマーン陸上掘削プロジェクトで得られたエピドサイトの弾性波速度に空隙形状が与える影響2021
- Author(s)
  長瀨薫平、片山郁夫、畠山航平、岡崎啓史
- Organizer
  地球惑星科学連合大会
- Data Source
  KAKENHI-PROJECT-20H00200
[Presentation] オマーン陸上掘削プロジェクトで得られたエピドサイトの弾性波速度に空隙形状が与える影響2021
- Author(s)
  長瀬薫平、片山郁夫、畠山航平、岡崎啓史
- Organizer
  日本地球惑星科学連合2021年大会
- Data Source
  KAKENHI-PROJECT-21H04528
[Presentation] フィールドおよび実験的観察から推測される深部スロー地震発生域におけるアンチゴライト蛇紋岩の変形挙動2021
- Author(s)
  永田有里奈、平内健一、岡崎啓史
- Organizer
  地質学会2021
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] 炭酸塩岩の高歪速度変形時の挙動2021
- Author(s)
  黒澤耕介、玄田英典、東真太郎、岡崎啓史、大野遼、新原隆史、三河内岳、富岡尚敬、境家達弘、近藤忠、鹿山雅裕、小池みずほ、佐野有司、松崎琢也、村山雅史、佐竹渉、松井孝典
- Organizer
  JpGU2021
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] Velocity gradient in the oceanic crust layer 3 based on seismic velocity of cores drilled from the Oman ophiolite2020
- Author(s)
  Kohei Hatakeyama, Ikuo Katayama, Natsue Abe, Keishi Okazaki, Katsuyoshi Michibayashi and The Oman Drilling Project Science Party
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] 巨大地震発生域下限の温度・圧力・間隙水圧条件を再現できる新しい固体圧岩石変形試験機の開発2020
- Author(s)
  岡崎啓史, 武藤潤, 濱田洋平, 谷川亘, 廣瀬丈洋
- Organizer
  JpGU-AGU Joint Meeting 2020
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] Major mineral mode of listvenite from ICDP Oman Drilling Project Hole BT1B inferred from X-ray CT core images2020
- Author(s)
  Keishi Okazaki, Katsuyoshi Michibayashi, Kohei Hatakeyama, Natsue Abe, Kevin T.M. Johnson, Peter B Kelemen and The Oman Drilling Project Science Party
- Organizer
  JpGU-AGU Joint Meeting 2020
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] Effects of water fraction on strengths and microstructures of quartz aggregates at the brittle plastic transition2020
- Author(s)
  Okazaki Keishi、Burdette Eric、Hirth Greg
- Organizer
  AGU Fall Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01318
[Presentation] Crack aspect ratio in the serpentinized peridotites inferred from onboard ultrasonic data by the Oman Drilling Projects2020
- Author(s)
  Ikuo Katayama, Natsue Abe, Keishi Okazaki, Kohei Hatakeyama, Yuya Akamatsu, Katsuyoshi Michibayashi, Marguerite Godard, Peter B Kelemen and The Oman Drilling Project Science Party
- Organizer
  JpGU-AGU Joint Meeting 2020
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] Pore geometry in diabase collected by the Oman DP inferred from elastic wave velocity2020
- Author(s)
  Kumpei Nagase, Ikuo Katayama, Kohei Hatakeyama, Yuya Akamatsu, Keishi Okazaki, Natsue Abe, Katsuyoshi Michibayashi
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] Crack density and aspect ratio of serpentinized dunites and harzburgites in the Hole BA1B, 3A, and 4A inferred from onboard ultrasonic velocity data2020
- Author(s)
  Ikuo Katayama, Natsue Abe, Keishi Okazaki, Kohei Hatakeyama, Yuya Akamatsu, Katsuyoshi Michibayashi, Marguerite Godard, Peter Kelemen, and The Oman Drilling Project Phase 2 Science Party
- Organizer
  International Conference on Ophiolites and the Oceanic Lithosphere: Results of the Oman Drilling Project and Related Research
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] Rheology of the fluid oversaturated simulated quartz shear zone at the brittle-ductile transition2020
- Author(s)
  Okazaki Keishi、Burdette Eric、Hirth Greg
- Organizer
  JpGU-AGU Joint Meeting 2020
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] 巨大地震発生域下限の温度・圧力・間隙水圧条件を再現できる新しい固体圧岩石変形試験機の開発2020
- Author(s)
  岡崎啓史, 武藤潤, 濱田洋平, 谷川亘, 廣瀬丈洋
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01318
[Presentation] Seismic velocity profile across the crust-mantle boundary determined from high-pressure experiments of core samples collected from the Oman Drilling Project2020
- Author(s)
  Kohei Hatakeyama, Ikuo Katayama, Natsue Abe, Keishi Okazaki, The Oman Drilling Project Science Party
- Organizer
  International Conference on Ophiolites and the Oceanic Lithosphere: Results of the Oman Drilling Project and Related Research
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] Porosity of mafic and ultramafic core samples from the Oman Drilling Projects measured by the penetration and impregnation methods2020
- Author(s)
  Kumpei Nagase, Ikuo Katayama, Tadashi Yokoyama, Kouhei Hatakeyama, Yuya Akamatsu, Keishi Okazaki, Natsue Abe, Katsuyoshi Michibayashi
- Organizer
  International Conference on Ophiolites and the Oceanic Lithosphere: Results of the Oman Drilling Project and Related Research
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] Rheology of the fluid oversaturated simulated quartz shear zone at the brittle-ductile transition2020
- Author(s)
  Okazaki Keishi、Burdette Eric、Hirth Greg
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01318
[Presentation] 剪断帯内の変形の幾何を考慮した脆性・塑性遷移域の断層構成則2020
- Author(s)
  野田博之, 岡崎啓史
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01318
[Presentation] Effects of water fraction on strengths and microstructures of quartz aggregates2020
- Author(s)
  Okazaki Keishi、Burdette Eric、Hirth Greg
- Organizer
  American Geophysical Union Fall Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-19H04630
[Presentation] Important role of the ultramafic layers in the lower oceanic crust and Moho2020
- Author(s)
  Natsue Abe, Keishi Okazaki, Kohei Hatakeyama, Yuya Akamatsu, Ikuo Katayama, Benoit Ildefonse, Katsuyoshi Michibayashi, Eiichi TAKAZAWA, Damon A H Teagle, Peter B Kelemen
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] Quake-induced redox change in the interior of planets2020
- Author(s)
  Hirose Takehiro, Ryoichi Nakada, Okazaki Keishi, Shibuya Takezo
- Organizer
  American Geophysical Union Fall Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] 巨大地震発生域下限の温度・圧力・間隙水圧条件を再現できる新しい固体圧岩石変形試験機の開発2020
- Author(s)
  岡崎啓史, 武藤潤, 濱田洋平, 谷川亘, 廣瀬丈洋
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-19H04630
[Presentation] 剪断帯内の変形の幾何を考慮した脆性・塑性遷移域の断層構成則2020
- Author(s)
  野田博之、岡崎啓史
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-19H04630
[Presentation] 剪断帯内の変形の幾何を考慮した脆性・塑性遷移域の断層構成則2020
- Author(s)
  野田博之, 岡崎啓史
- Organizer
  JpGU-AGU Joint Meeting 2020
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] Relationship between the physical properties and hydration of the oceanic lower crust/ Moho TZ: results from onboard measurements of ICDP Oman Drilling Project2020
- Author(s)
  Natsue Abe, Keishi Okazaki, Ikuo Katayama, Kohei Hatakeyama, et al.
- Organizer
  International Conference on Ophiolites and the Oceanic Lithosphere: Results of the Oman Drilling Project and Related Research
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] Effects of water fraction on strengths and microstructures of quartz aggregates at the brittle plastic transition2020
- Author(s)
  Okazaki Keishi、Burdette Eric、Hirth Greg
- Organizer
  American Geophysical Union Fall Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] Initial studies of the petrophysics in the sheeted dikes and upper gabbro from Oman Drilling Project Hole GT3A2020
- Author(s)
  Natue Abe, Kohei Hatakeyama, Keishi Okazaki, James Andrew Leong, Benoit Ildefonse, Yamato Tateishi, Michelle Harris, Katsu Michibayashi, Juan Carlos de Obeso, Damon Teagle, Eiichi Takazawa, Peter Kelemen, Jude Ann Coggon, Juerg Michael Matter and Oman Drilling Project Phase 1 Science Party
- Organizer
  International Conference on Ophiolites and the Oceanic Lithosphere: Results of the Oman Drilling Project and Related Research
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] Mineral assemblages of listvenite from ICDP Oman Drilling Project Hole BT1B inferred from X-ray CT core images2020
- Author(s)
  Keishi Okazaki, Katsuyoshi Michibayashi, Kohei Hatakeyama, Natsue Abe, Kevin T.M. Johnson, Peter B. Kelemen, the Oman Drilling Project Phase I Science Party
- Organizer
  International Conference on Ophiolites and the Oceanic Lithosphere: Results of the Oman Drilling Project and Related Research
- Data Source
  KAKENHI-PUBLICLY-19H04630
[Presentation] Rheology of the fluid oversaturated simulated quartz shear zone at the brittle-ductile transition2020
- Author(s)
  Okazaki Keishi、Burdette Eric、Hirth Greg
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-19H04630
[Presentation] Rheology of the fluid oversaturated quartz shear zone at the brittle-ductile transition2019
- Author(s)
  Keishi Okazaki, Eric Burdette, Greg Hirth
- Organizer
  AGU Fall Meeting 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] Rheology of the fluid oversaturated quartz shear zone at the brittle-ductile transition2019
- Author(s)
  Keishi Okazaki, Eric Burdette, Greg Hirth
- Organizer
  AGU Fall Meeting 2019
- Data Source
  KAKENHI-PUBLICLY-19H04630
[Presentation] Physical property of the fossilized crust-mantle transition zone from ICDP Oman Drilling Project Hole CM1A and CM2B measured onboard D/V Chikyu2019
- Author(s)
  岡崎啓史、阿部なつ江、畠山航平、赤松祐哉、片山郁夫、高澤栄一、Damon Teagle、Peter Kelemen、Jude Coggon、Oman Drilling Prj Ph2 Sci. Party
- Organizer
  日本地球惑星科学連合2019年大会
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] 半遠洋性堆積物の続成作用に伴う摩擦・透水特性の変化2019
- Author(s)
  岡崎啓史、片山郁夫、山口飛鳥
- Organizer
  日本地球惑星科学連合2019年大会
- Data Source
  KAKENHI-PROJECT-18H01318
[Presentation] 半遠洋性堆積物の続成作用に伴う摩擦・透水特性の変化2019
- Author(s)
  岡崎啓史、片山郁夫、山口飛鳥
- Organizer
  日本地球惑星科学連合2019年大会
- Data Source
  KAKENHI-PUBLICLY-19H04630
[Presentation] Overview of the physical property measurements, ChikyuOman 2017 and 2018: Crust and Mantle sections from ICDP Oman Drilling Project Phase I and II2019
- Author(s)
  Natsue Abe, Keishi Okazaki, Ikuo Katayama, Kohei Hatakeyama, Benoit Ildefonse, Ole Ivar Ulven, Gilbert Hong, Wenlu Zhu, Benoit Cordonnier, Yuya Akamatsu, Katsuyoshi Michibayashi, Eiichi Takazawa, Michell Harris, Damon Teagle, Peter Kelemen, et al.
- Organizer
  日本地球惑星科学連合 2019年大会
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] Keishi Okazaki, Katsuyoshi Michibayashi, Kohei Hatakeyama, Natsue Abe, Kevin T.M. Johnson, Peter B. Kelemen, the Oman Drilling Project Phase I Science Part2019
- Author(s)
  Keishi Okazaki, Katsuyoshi Michibayashi, Kohei Hatakeyama, Natsue Abe, Kevin T.M. Johnson, Peter B. Kelemen, the Oman Drilling Project Phase I Science Part
- Organizer
  International Conference on Ophiolites and the Oceanic Lithosphere: Results of the Oman Drilling Project and Related Research, 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] Rheology of the fluid oversaturated quartz shear zone at the brittle-ductile transition2019
- Author(s)
  Keishi Okazaki, Eric Burdette, Greg Hirth
- Organizer
  AGU Fall Meeting 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01318
[Presentation] Physical Properties of the MohoTZ: Implications from recent drilling projects2019
- Author(s)
  Natsue Abe, Keishi Okazaki, Ikuo Katayama, Kohei Hatakeyama, Yuya Akamatsu, Katsuyoshi Michibayashi, Eiichi Takazawa, Peter B Kelemen, Damon A H Teagle, Juerg Michael Matter, Jude Ann Coggon and The Oman Drilling Project Science Party
- Organizer
  American Geophysical Union Fall Meeting 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] 半遠洋性堆積物の続成作用に伴う摩擦・透水特性の変化2019
- Author(s)
  岡崎啓史、片山郁夫、山口飛鳥
- Organizer
  日本地球惑星科学連合2019年大会
- Data Source
  KAKENHI-PROJECT-19H02007
[Presentation] Experimental investigation of dehydration weakening and embrittlement of hydrous minerals2018
- Author(s)
  Keishi Okazaki
- Organizer
  Intermediate and Deep Earthquakes: Observation and Modeling /College de France,
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01318
[Presentation] ICDPオマーン陸上掘削第1期(ChikyuOman2017)岩石物性-海洋底から衝上まで-2018
- Author(s)
  阿部なつ江・岡崎啓史・畠山航平・Benoit Ildefonse・立石大和・James Andrew Leong・道林克禎・高澤栄一・Peter Kelemen, Juan Calros de Obeso・Damon Teagle, Jude Coggon・Michelle Harris・The Oman Drilling Project Phase 1 Science Party
- Organizer
  日本鉱物科学会2018年会
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] Permeability profile across the crust-mantle sections in the Oman Drilling Project inferred from on-board measurements of dry and wet resistivity2018
- Author(s)
  Ikuo Katayama, Keishi Okazaki, Natsue Abe, Ole Ivar Ulven, Gilbert Hong, Wenlu Zhu, Benoit Cordonnier, Kohei Hatakeyama, Yuya Akamatsu, Katsuyoshi Michibayashi, Marguerite Godard, Peter Kelemen, and The Oman Drilling Project Phase 2 Science Party.
- Organizer
  American Geophysical Union Fall Meeting 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] Physical property of the fossilized crust-mantle transition zone from ICDP Oman Drilling Project Hole CM1A and CM2B2018
- Author(s)
  Keishi Okazaki, Natsue Abe, Kohei Hatakeyama, Yuya Akamatsu, Eiichi Takazawa, Damon Teagle, Peter Kelemen, Jude Coggon and The Oman Drilling Project Phase 2 Science Party
- Organizer
  American Geophysical Union Fall Meeting 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] 半遠洋性堆積物の続成作用に伴う透水・摩擦特性変化2018
- Author(s)
  岡崎啓史、片山郁夫、山口飛鳥
- Organizer
  日本地質学会125回大会
- Data Source
  KAKENHI-PUBLICLY-17H05423
[Presentation] Effects of the aqueous fluid and porosity on the rheology of quartz aggregates at the brittle-plastic transition2018
- Author(s)
  Keishi Okazaki, Eric Burdette, Greg Hirth
- Organizer
  AGU Fall Meeting 2018 / MR23A-06
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01318
[Presentation] Influence of hydrothermal alteration on elastic wave velocity of mafic rocks from the Oeyama and Semail ophiolites2018
- Author(s)
  Kosuke KIMURA, Ikuo KATAYAMA, Kohei HATAKEYAMA, Yuya, AKAMATSU, Natsue ABE and Keishi OKAZAKI
- Organizer
  American Geophysical Union Fall Meeting 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] Rheology of the fluid-overpressured quartz shear zone at the brittle-plastic transition: effects of the aqueous fluid and porosity2018
- Author(s)
  Keishi Okazaki, Eric Burdette, Greg Hirth
- Organizer
  日本地球惑星科学連合 2018年大会 / SCG53-24
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01318
[Presentation] Initial report of physical property measurements, ChikyuOman 2018: Crust-Mantle boundary and the mantle section from ICDP Oman Drilling Project Phase II2018
- Author(s)
  Natsue Abe, Keishi Okazaki, Ikuo Katayama, Kohei Hatakeyama, Ole Ivar Ulven, Gilbert Hong, Wenlu Zhu, Benoit Cordonnier, Yuya Akamatsu, Katsuyoshi Michibayashi, Eiichi Takazawa, Marguerite Godard, Teagle Damon, Peter Kelemen, and The Oman Drilling Project Phase 2 Science Party
- Organizer
  American Geophysical Union Fall Meeting 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] ) ICDPオマーン陸上掘削コア試料に記録されているモホ遷移帯の岩石物性について2018
- Author(s)
  阿部なつ江・モー・キョー・山田泰広・岡崎啓史・畠山航平・赤松祐哉・片山郁夫・高澤栄一・道林克禎・ケレメン・ピーター・ティーグル・デーモン・Oman Drilling Project Phase II Science Party
- Organizer
  日本地質学会第125回大会
- Data Source
  KAKENHI-PROJECT-18H01321
[Presentation] The Role of Fluid Distribution on Fault Strength at Deformation Conditions near the Brittle-Plastic Transition2017
- Author(s)
  Greg Hirth, Keishi Okazaki, Brooks Proctor
- Organizer
  AGU Fall Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-17H05423

1. Katayama Ikuo (10448235)

# of Collaborated Projects: 2 results

# of Collaborated Products: 21 results
2. 平内健一 (10633290)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
3. 東真太郎 (60771293)

# of Collaborated Projects: 2 results

# of Collaborated Products: 6 results
4. Abe Natsue (80302933)

# of Collaborated Projects: 1 results

# of Collaborated Products: 21 results
5. Nakada Ryoichi (50726958)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
6. 富士原敏也 (30359129)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 吉田健太 (80759910)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 高橋聡 (60615251)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 吉田晶樹 (00371716)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 佐久間博 (20400426)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 河合研志 (20432007)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 上杉健太朗 (80344399)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
13. 野村龍一 (40734570)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
14. 北佐枝子 (10543449)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 澤井みち代 (20760995)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 武藤潤 (40545787)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 太田健二 (20727218)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 安武正展 (00852188)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 山口飛鳥 (30570634)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
20. 矢部優 (30802699)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 岡本敦 (40422092)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. GENDA Hidenori

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
23. KUROSAWA Kohsuke

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
24. SEKINE Yasuhito

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
25. 道林克禎

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Okazaki Keishi 岡崎 啓史

OKAZAKI Keishi 岡崎 啓史

Research Projects

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Co-Researchers

岩石の高速破壊過程：地震から天体衝突までの統一的理解Principal Investigator

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回転式DACによる超高圧高温変形実験から明らかにする深部スラブの変形特性

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Further Advanced study of relationship between intraslab and slow earthquakes

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超巨大地震発生域の高温高岩圧高間隙水圧環境を再現した岩石変形実験への挑戦Principal Investigator

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Experimental study of fracturing and dissolution/precipitation processes in serpentinite: Implications for recurrence times of deep slow earthquakes

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超高圧超大歪み変形実験による全マントル領域を網羅する地球内部レオロジー断面の決定Principal Investigator

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Unified understanding of fault friction in subduction zones considering material diversity and diagenesis

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New approach for the mechanical properties and initiation of plate tectonics

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The challenge of deformation experiments under the in-situ temperature, lithostatic and pore fluid pressures condition at the source region of deep slow earthquakesPrincipal Investigator

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Investigation of the effects of diagenesis on the stable isotope fractionation based on the speciation analysis

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Rheology of the plate interface from shallow to deep subduction zone: effects of fluids and prograde metamorphismPrincipal Investigator

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Petrophysical studies involving petrological descriptions: Implications for the analysis of oceanic Moho discontinuity

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Effect of diagenesis on the rheology of subducting sediments and its possible relation to slow earthquakesPrincipal Investigator

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Okazaki Keishi 岡崎啓史

OKAZAKI Keishi 岡崎啓史