2026 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)
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Session Details

Oral presentationR3: High-pressure science and deep Earth’s material

R3: High-pressure science and deep Earth’s material

Thu. Sep 24, 2026 3:45 PM - 6:00 PM JST
Thu. Sep 24, 2026 6:45 AM - 9:00 AM UTC
Room A (279)
Chairperson:Takaaki Kawazoe, Ryosuke Sinmyo(Meiji University), Itaru Ohira(Gakushuin University)
3:45 PM - 4:15 PM JST(6:45 AM - 7:15 AM UTC)Invited Lecture

[R3-01]Transformational faulting in olivine under lower-mantle pressures: Implications for deep slab seismicity

*Rikuto HONDA1, Tomoaki Kubo2, Masaaki Miyahara3, Yuji Higo4, Yumiko Tsubokawa5, Yuta Goto2, Yuki Shibazaki6, Akio Suzuki7 (1. Kyoto Univ., 2. Kyushu University, 3. Hiroshima Univ., 4. JASRI, 5. Teikyo Univ. Sci., 6. KEK, 7. Tohoku Univ.)
4:15 PM - 4:30 PM JST(7:15 AM - 7:30 AM UTC)

[R3-02]Excess heat capacity of divalent transition metal cation-bearing olivine-type silicates

*Hiroshi KOJITANI1, Ryota Takato1, Yuta Asami1, Itaru Ohira1 (1. Gakushuin University)
4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)Student Presentation Award Entry

[R3-03]Effect of iron on the elastic wave velocities of orthopyroxene under high pressure and high temperature conditions:Implications for iron content in the upper mantles of the moon and mars

*Yoshihiro Inoue1, Yoshio Kono1, Steeve Greaux2, Jiejun Jing3, Sho Kakizawa4, Itaru Ohira5, Noriyoshi Tsujino4, Yuji Higo4 (1. Kwansei Gakuin University, 2. Geodynamics Research Center, Ehime University, 3. Zhejiang University, 4. Japan Synchrotron Radiation Research Institute, 5. Department of Chemistry, Faculty of science, Gakushuin University)
4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[R3-04]Thermoelectric Properties of Ilmenite under High Pressure and Temperature: Implications for the Origin of the Lunar Paleomagnetic Field

*Takashi YOSHINO1, Yoshihisa Mori2, Koya Tsujimoto2, Yuri Shimone2, Hyu Takaki1 (1. IPM, Okayama University, 2. Okayama University of Science)
5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)Student Presentation Award Entry

[R3-05]Externally Heated Diamond Anvil Cell Experiments for In Situ Single-Crystal X-ray Diffraction of Quartz at High Temperature and Pressure

*Taisei Mamiya1 (1. Meiji Univ)
5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)

[R3-06]Water concentration and structural ordering of hydrous silica glass synthesized at high-pressure conditions

*Takuo OKUCHI1,2, Shuto Takahashi2,1, Tetsu Kogiso3, Kenji Shimizu4, Takayuki Ushikubo4, Naotaka Tomioka4, Yohei Onodera5, Hiroshi Arima1,2 (1. Kyoto University IIRNS, 2. Kyoto University Grad. Sch. Eng., 3. Kyoto University Grad. Sch. Hum. Eng., 4. JAMSTEC, 5. NIMS)
5:30 PM - 5:45 PM JST(8:30 AM - 8:45 AM UTC)

[R3-07]Water incorporation mechanisms in SiO2 stishovite: Insights from first-principles calculation

*Xianyu XUE1 (1. Okayama University)
5:45 PM - 6:00 PM JST(8:45 AM - 9:00 AM UTC)

[R3-08]Possibility of diamond mist formation in the interiors of ice giants

*Tetsuo Jimmy Irifune1, Takehiro Kunimoto1, Sayako Inoué1, Takeshi Sakai1, Hiroaki Ohfuji2 (1. Ehime Univ. GRC, 2. Univ. Tokyo Sci.)
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