2026 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)
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Oral presentationS3: Rheology and Material Transfer in Mantle and Crust (Special Session)

S3: Rheology and Material Transfer in Mantle and Crust (Special Session)

Sat. Sep 26, 2026 8:45 AM - 11:45 AM JST
Sat. Sep 26, 2026 11:45 PM - 2:45 AM UTC
Room B (285)
Chairperson:Katsuyoshi Michibayashi(Nagoya University), Ikuo Katayama(Kyoto University)
8:45 AM - 9:00 AM JST(11:45 PM - 12:00 AM UTC)Invited Lecture

[S3-01]Rheology of the lower oceanic crust inferred from natural samples

*Kohei Nimura1 (1. National Institute of Polar Research)
9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)

[S3-02]Interfacial-energy and Zener-pinning constraints on grain-size evolution and rheology of peridotites

*Miki TASAKA1, Haruya Aida1, Yuto Sato2 (1. Shizuoka University, 2. JAMSTEC)
9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)Student Presentation Award Entry

[S3-03]The Reorientation Process of Crystallographic Preferred Orientation (CPO) in Olivine During Diffusion Creep

*KANATA TAKADA1, TAKEHIKO HIRAGA1 (1. ERI of the UTokyo)
9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[S3-04]Thermal and deformation history of the lithosphere-asthenosphere boundary decoded from spinel lamellae in pyroxene and associated microstructures

*Yuto SATO1, Kazuhito Ozawa2 (1. JAMSTEC, KCC, 2. Univ. Tokyo, AORI)
9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)Student Presentation Award Entry

[S3-05]The Importance of Early-Stage Metasomatism in the Listvenitization of Serpentinite at mantle-crust interface

*Shunya Okino1, Atsushi Okamoto1, Dandar Otgonbayar1, Madhusoodhan Satish Kumar2 (1. Tohoku Univ. Environ. , 2. Niigata Univ. Sci.)
10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)Student Presentation Award Entry

[S3-06]Evolution of rock physical properties during mantle carbonation: Insights from listvenites and serpentinites in the Oman Ophiolite

*Ryosuke Morishita1, Ikuo Katayama2 (1. Hiroshima Univ. AdSE., 2. Kyoto Univ. Sci.)
10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[H5DC2Lqm-7add]休憩

10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)Invited Lecture

[S3-07]Structure evolution mediates the velocity dependence of strength: Insights from operando shear experiments on fault analog materials

*Miki Takahashi1, Jun Muto2, Sando Sawa2, Masato Hoshino3, Kentaro Uesugi3 (1. GSJ, AIST, 2. Tohoku Univ. Sci., 3. JASRI)
10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)

[S3-08]Strength of MORB in the Mantle Transition Zone and the Rheological Structure of Subducting Slabs

*Tomoaki KUBO1, Marimo Nakabayashi1, Yuta Goto1, Rikuto Honda2, Yuki Shibazaki3 (1. Kyushu Univ., 2. Kyoto Univ., 3. KEK PF)
11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[S3-09]Divorced eutectoid growth in the post-spinel transformation weakens lower-mantle slabs

*Yuta Goto1, Tomoaki Kubo1, Rikuto Honda2, Yuki Shibazaki3, Yuji Higo4, Yoshinori Tange5, Akio Suzuki6, Masaaki Miyahara7 (1. Kyushu Univ. Sci., 2. Kyoto Univ. Sci., 3. KEK-PF, 4. JASRI, 5. Sumitomo Electric, 6. Tohoku Univ. Sci., 7. Hiroshima Univ. Adv. Sci. Eng.)
11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)Student Presentation Award Entry

[S3-10]In situ deformation experiments of metastable olivine under the pressure-temperature conditions of deep subducted slabs

*kohei Matsuda1, Tomohiro Ohuchi1, Sayako Inoué1, Yuji Higo2, Noriyoshi Tsujino2, Sho Kakizawa2 (1. Geodynamics Research Center, Ehime University, 2. Japan Synchrotron Radiation Research Institute)
11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[S3-11]Deformation experiments on ringwoodite

Zhiyuan CHEN1, *Daisuke YAMAZAKI1 (1. Okayama University)
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