[S-CG55] Oceanic plate as inputs to subduction zone and the subduction initiation

[SCG55-P02] Physical properties of the incoming plate with petit-spot volcanism near the Japan Trench: Preliminary results from the IODP³ Expedition 502

*Yuya Akamatsu¹, Matt Ikari², Rachel Lauer³, Yasuyuki Nakamura¹, Ayumu Miyakawa⁴, Erwan Le Bar⁵, Asuka Yamaguchi⁶, Hiroko Kitajima⁷, Natsumi Okutsu⁸, The IODP3 Expedition 502 Science Team (1. Research Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology, 2. Center for Marine Environmental Sciences and Faculty of Geosciences, University of Bremen, 3. Department of Geoscience, University of Calgary, 4. Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 5. Geosciences Montpellier, University of Montpellier, 6. Atmosphere and Ocean Research Institute, The University of Tokyo, 7. Department of Geology and Geophysics, Texas A&M University, 8. Institute for Marine-Earth Exploration and Engineering, Japan Agency for Marine-Earth Science and Technology )

Keywords:Petit-spot volcano, IODP, Subduction zone, Physical property of rock