Amagmatic mylonitic deformation of mantle peridotites from the Tosa Megamullion in the Shikoku Basin, Philippine Sea

Katsuyoshi Michibayashi

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-CG Complex & General

[S-CG60] Hard-Rock Drilling Science: Continental and Deep-Sea Drilling, and Ophiolite

Wed. May 27, 2026 9:00 AM - 10:30 AM 301A (International Conference Hall, Makuhari Messe)

Chairperson:Harigane Yumiko(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)), Hoshide Takashi(Faculty of International Resource Sciences, Akita University), Michibayashi Katsuyoshi(Department of Earth and Planetary Sciences, GSES , Nagoya University), Okazaki Keishi(Earth and Planetary Systems Science Program, Hiroshima University)

9:00 AM - 9:15 AM

[SCG60-01] Amagmatic mylonitic deformation of mantle peridotites from the Tosa Megamullion in the Shikoku Basin, Philippine Sea

*Katsuyoshi Michibayashi^1,2, So Inoue¹, Yumiko Harigane³, Yasuhiko Ohara^1,2,4 (1. Department of Earth and Planetary Sciences, GSES , Nagoya University, 2. Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC, 3. GSJ/AIST, 4. Hydrographic and Oceanographic Department of Japan)

Keywords:oceanic core complex, megamullion, mylonitic peridotite, Shikoku Basin