Kyushu University Academic Staff Educational and Research Activities Database
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Yumiko Tsubokawa Last modified date:2023.11.27

Graduate School
Undergraduate School

 Reseacher Profiling Tool Kyushu University Pure
Academic Degree
Doctor of Philosophy
Country of degree conferring institution (Overseas)
Field of Specialization
Earth science, Mineral physics
Total Priod of education and research career in the foreign country
Research Interests
  • Deformation and phase transition of orthoenstatite under the conditions of subducting slab
    keyword : Orthopyroxene, High-pressure clinopyroxene, akimotoite, phase transition
  • Rheological properties of orthopyroxene under the upper mantle conditions
    keyword : Orthopyroxene, Deformation experiments, High pressure and temperature, Rheology
  • Sintering of fine-grained polycrystalline clinopyroxene and polycrystalline olivine and their grain growth behaviors
    keyword : Sintering, Clinopyroxene, Olivine, Fine-grained aggregates, Grain growth
  • Petrologic study of high-grade metamorphic rocks from Sør Rondane Mountains, East Antarctica
    keyword : East Antarctica, Sør Rondane Mountains, high-grade metamorphic rocks, metamorphic petrology
Academic Activities
1. Yumiko Tsubokawa, Masahiro Ishikawa, Tetsuo Kawakami, Tomokazu Hokada, m. Satish-Kumar, Noriyoshi Tsuchiya, Geoffrey H. Grantham, Pressure-temperature-time path of a metapelite from Mefjell, Sør Rondane Mountains, East Antarctica, Journal of Mineralogical and Petrological Sciences, 10.2465/jmps.160919, 112, 2, 77-87, 2017.04.
2. Yumiko Tsubokawa, Masahiro Ishikawa, Sintering nanocrystalline diopside from pulverized diopside crystals, JOURNAL OF MINERALOGICAL AND PETROLOGICAL SCIENCES, 10.2465/jmps.161114c, 112, 3, 127-131, 2017.06.
3. Yumiko Tsubokawa, Masahiro Ishikawa, Sintering polycrystalline olivine and polycrystalline clinopyroxene containing trace amount of graphite from natural crystals, EARTH PLANETS AND SPACE, 10.1186/s40623-017-0717-0, 69, 2017.09.
1. Y. Tsubokawa, T. Kubo, Y. Higo, Y. Tange, Y. Nishihara, R. Honda, Uniaxial deformation and transformation of high-pressure clinoenstatite under mantle transition zone condition, 日本地球惑星科学連合 2022年大会, 2022.06.
2. Y. Tsubokawa, T. Ohuchi, Y. Higo, Y. Tange, T. Irifune, Rheology of dry orthoenstatite deformed in the D-DIA under upper mantle conditions, AGU Fall Meeting 2019, 2019.12.
3. Y. Tsubokawa, M. Ishikawa, Sintering mantle mineral aggregates with submicron grains: examples of olivine and clinopyroxene, AGU Fall Meeting 2017, 2017.12.
4. Y. Tsubokawa, M. Ishikawa, Sintering nano-polycrystalline clinopyroxene, AGU Fall Meeting 2016, 2016.12.
Membership in Academic Society
  • The Japan Society of High Pressure Science and Technology
  • The Geological Society of Japan
  • Japan Association of Mineralogical Sciences
  • Japan Geoscience Union
  • American Geophysical Union