*Masaaki Miyahara¹, Eiji Ohtani², Ahmed El Goresy³, Yangting Lin⁴, Hiroki Suga¹, Takuji Ohigashi⁵ (1.Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University, 2.Department of Earth Sciences, Graduate School of Science, Tohoku University, 3.Bayerisches Geoinstitut, Universität Bayreuth, 4.Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, 5.UVSOR Synchrotron, Institute for Molecular Science)

*Richard Wirth¹ (1.Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences Section 4.4)

*Konstantin Litasov¹, Sergey Voropaev², Vyacheslav Sevastyanov², Hiroyuki Kagi³, Hiroaki Ohfuji⁴, Hidemi Ishibashi⁵, Erik Galimov² (1.V.S. Sobolev Institute of Geology and Mineralogy SB RAS, Novosibirsk, Russia, 2.Vernadsky Institute of Geochemistry and Analytical Chemistry RAS, Moscow, Russia, 3.Geochemical Research Center, University of Tokyo, Tokyo, Japan, 4.Geodynamic Research Center, Ehime University, Matsuyama, Japan, 5.Department of Geosciences, Faculty of Science, Shizuoka University, Shizuoka, Japan)

*Hiroaki Ohfuji¹, Natsuko Asano^1,2, Hiroyuki Kagi³ (1.Geodynamics Research Center, Ehime University, 2.JEOL Ltd., 3.Geochemical Research Center, Graduate School of Science, University of Tokyo)

Dmitry Zedgenizov^1,4, *Hiroyuki Kagi², Eiji Ohtani³, Tatsuki Tsujimori⁴, Kazuki Komatsu², Seiji Kamada⁵ (1.V.S.Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, 2.Graduate School of Science, The University of Tokyo, 3.Graduate School of Science, Tohoku University, 4.Center for Northeast Asian Studies, Tohoku University, 5.Frontier Research Institute for Interdisciplinary Sciences, Tohoku University)

*Ayako Shinozaki¹, Koichi Mimura², Tamihito Nishida² (1.Hokkaido University, 2.Nagoya University)