*Maximilien Bole1, Masayuki Ikeda1, Rie Hori, S.2, Peter O. Baumgartner3 (1.Department of Earth and Planetary Sciences, Tokyo University, Japan, 2.Department of Earth Science, Ehime University, Japan, 3.Institute of Earth Science (ISTE), Université de Lausanne, Switzerland)
convener:Koji Seike(Geological Survey of Japan, AIST), Masayuki Ikeda(University of Tokyo), Hideko Takayanagi(Institute of Geology and Paleontology, Graduate School of Science, Tohoku University), Hajime Naruse(Department of Geology and Mineralogy, Graduate School of Science, Kyoto University)