*Yasuhito SEKINE¹, Yasuko KASAI², Hideo SAGAWA², Takeshi KURODA³, Kenya KODAMA¹, Yasunori HORI⁴, Masahiro IKOMA¹, Kiyoshi KURAMOTO⁵, Hisayoshi YURIMOTO⁵ (1.University of Tokyo, 2.NICT, 3.Tohoku University, 4.NAOJ, 5.Hokkaido University)

*Noriyuki KAWASAKI¹, Chizu KATO², Shoichi ITOH³, Motoo ITO⁴, Shigeyuki WAKAKI⁴, Hisayoshi YURIMOTO¹ (1.Hokkaido University, 2.Washington University in St. Louis, 3.Kyoto University, 4.JAMSTEC)

Kaori YANAI¹, *Shoichi ITOH², James GREENWOOD³, Sara RUSSELL⁴, Hisayoshi YURIMOTO¹ (1.Department of Natural History Sciences, Hokkaido University, 2.Department of Earth and Planetary Sciences, Kyoto University, 3.Department of Earth and environment Sciences, Wesleyan University, 4.Department of Earth Sciences, Natural History Museum, London)

*Nozomi MATSUDA¹, Naoya SAKAMOTO², Hisayoshi YURIMOTO³ (1.Natural History Sciences, Hokkaido University, 2.CRIS, Hokkaido University, 3.Natural History Sciences, Hokkaido University)

*Hongzhan FEI¹, Tomoo KATSURA², Sanae KOIZUMI³, Naoya SAKAMOTO⁴, Minako HASHIGUCHI⁵, Hisayoshi YURIMOTO⁵, Daisuke YAMAZAKI¹ (1.Institute for Study of the Earth's Interior, Okayama University, Japan, 2.Bayerisches Geoinstitut, University of Bayreuth, Germany, 3.Earthquake Research Institute, The University of Tokyo, Japan, 4.Isotope Imaging Laboratory, CRI, Hokkaido University, Japan, 5.Department of Natural History Sciences, Hokkaido University, Japan)

*Nao CAI¹, Toru INOUE¹, Kiyoshi FUJINO¹, Hiroaki OHFUJI¹, Takahiro KURIBAYASHI², Hisayoshi YURIMOTO³ (1.Geodynamics Research Center, Ehime University, 2.Institute of Mineralogy, Petrology and Economic Geology, Graduate School of Science, Tohoku Universi, 3.Division of Earth and Planetary Sciences, Hokaido University)

*Minami KURODA¹, Daiki YAMAMOTO¹, Shogo TACHIBANA¹, Michihiko NAKAMURA², Satoshi OKUMURA², Miho ASAKI², Atsuko ISHIBASHI¹, Naoya SAKAMOTO¹, Hisayoshi YURIMOTO¹ (1.Department of Natural History Science, Hokkaido Unicersity, 2.Deparement of Earth Science, Tohoku University)

*Minami KURODA¹, Daiki YAMAMOTO¹, Shogo TACHIBANA¹, Michihiko NAKAMURA², Satoshi OKUMURA², Miho ASAKI², Atsuko ISHIBASHI¹, Naoya SAKAMOTO¹, Hisayoshi YURIMOTO¹ (1.Department of Natural History Science, Hokkaido Unicersity, 2.Deparement of Earth Science, Tohoku University)

*Shumpei YOSHIMURA¹, Michihiko NAKAMURA², Hisayoshi YURIMOTO³ (1.Department of Earth and Environmental Sciences, Yamagata University, 2.Department of Earth Science, Tohoku University, 3.Department of Natural History Sciences, Hokkaido University)