J-GLOBAL ID:201601017415003408   Update date: Sep. 16, 2021

Okazaki Keishi

オカザキ ケイシ | Okazaki Keishi
Affiliation and department:
Job title: 研究員
Homepage URL  (1): https://sites.google.com/view/keishiokazaki-jamstec/home
Research field  (1): Solid earth science
Research theme for competitive and other funds  (9):
  • 2021 - 2026 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
  • 2020 - 2024 New approach for the mechanical properties and initiation of plate tectonics
  • 2019 - 2023 配位環境分析に基づく続成作用が重元素安定同位体比に与える影響の解明
  • 2018 - 2022 Rheology of the plate interface from shallow to deep subduction zone: effects of fluids and prograde metamorphism
  • 2019 - 2021 The challenge of deformation experiments under the in-situ temperature, lithostatic and pore fluid pressures condition at the source region of deep slow earthquakes
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Papers (18):
  • Ikuo Katayama, Natsue Abe, Keishi Okazaki, Kohei Hatakeyama, Yuya Akamatsu, Katsuyoshi Michibayashi, Marguerite Godard, Peter Kelemen. Crack geometry of serpentinized peridotites inferred from onboard ultrasonic data from the Oman Drilling Project. Tectonophysics. 2021. 814. 228978-228978
  • Kosuke Kurosawa, Hidenori Genda, Shintaro Azuma, Keishi Okazaki. The Role of Post-Shock Heating by Plastic Deformation During Impact Devolatilization of Calcite (CaCO 3 ). Geophysical Research Letters. 2021. 48. 7
  • Keishi Okazaki, Eric Burdette, Greg Hirth. Rheology of the Fluid Oversaturated Fault Zones at the Brittle-Plastic Transition. Journal of Geophysical Research: Solid Earth. 2021. 126. 2
  • Ikuo Katayama, Natsue Abe, Kohei Hatakeyama, Yuya Akamatsu, Keishi Okazaki, Ole Ivar Ulven, Gilbert Hong, Wenlu Zhu, Benoit Cordonnier, Katsuyoshi Michibayashi, et al. Permeability Profiles Across the Crust-Mantle Sections in the Oman Drilling Project Inferred From Dry and Wet Resistivity Data. Journal of Geophysical Research: Solid Earth. 2020. 125. 8
  • Okazaki, K., Hirth, G. Deformation of mafic schists from subducted oceanic crust at high pressure and temperature conditions. Tectonophysics. 2020. 774
MISC (1):
Lectures and oral presentations  (36):
  • ICDPオマーン掘削計画BT1Bサイトにおいて採取されたリストベナイトのX線CTコア画像から推定される鉱物組み合わせ
    (日本地球惑星科学連合2021年大会 2021)
  • 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
    (日本地球惑星科学連合2021年大会 2021)
  • Pore pressure control for Griggs apparatus
    (Workshop on experimental solid medium rock deformation 2020)
  • Experimental investigation of dehydration weakening and embrittlement of hydrous minerals
    (Intermediate and Deep Earthquakes: Observation and Modeling /College de France 2018)
  • Unstable fault slip induced by lawsonite dehydration in blueschist: Implication for the seismicity in the subducting oceanic crusts
    (AGU Fall Meeting 2015)
Work history (7):
  • 2016/10 - 現在 JAMSTEC Kochi Institute for Core Sample Research Scientist
  • 2018/04 - 2018/09 Tohoku University
  • 2016/10 - 2016/12 Brown University Dept. of Earth, Environmental & Planetary Sciences
  • 2014/04 - 2016/09 Brown University Dept. of Earth, Environmental & Planetary Sciences Postdoctoral Research Associate
  • 2013/04 - 2014/03 Hiroshima University Department of Earth & Planetary Systems Science JSPS Research Fellow (PD)
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Awards (1):
  • 2011/05 - 日本地球惑星科学連合 地球惑星科学連合大会学生優秀発表賞
Association Membership(s) (3):
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