*Masahiro KAYAMA¹, Naotaka TOMIOKA², Eiji OHTANI³, Yusuke SETO¹, Jun-ichi FUKUDA⁴, Toshimori SEKINE⁵, Masaaki MIYAHARA⁵, Shin OZAWA³, Akira MIYAKE⁶, Kazushige TOMEOKA¹, Timothy Fagan⁷, Hirotsugu NISHIDO⁸ (1.Department of Earth and Planetary Sciences, Faculty of Science, Kobe University, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.Department of Earth and Planetary Materials Science, Graduate School of Science, Tohoku University, 4.Department of Geology and Geophysics, Texas A&M University, 5.Graduate School of Science, Hiroshima University, 6.Department of Geology and Mineralogy, Graduate School of Science, Kyoto University, 7.Department of Earth Sciences, School of Education, Waseda University, 8.Department of Biosphere-Geosphere Science, Okayama University of Science)

*Masahiro KAYAMA¹, Naotaka TOMIOKA², Eiji OHTANI³, Yusuke SETO¹, Jun-ichi FUKUDA⁴, Toshimori SEKINE⁵, Masaaki MIYAHARA⁵, Shin OZAWA³, Akira MIYAKE⁶, Kazushige TOMEOKA¹, Timothy Fagan⁷, Hirotsugu NISHIDO⁸ (1.Department of Earth and Planetary Sciences, Faculty of Science, Kobe University, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.Department of Earth and Planetary Materials Science, Graduate School of Science, Tohoku University, 4.Department of Geology and Geophysics, Texas A&M University, 5.Graduate School of Science, Hiroshima University, 6.Department of Geology and Mineralogy, Graduate School of Science, Kyoto University, 7.Department of Earth Sciences, School of Education, Waseda University, 8.Department of Biosphere-Geosphere Science, Okayama University of Science)

*Shin OZAWA¹, Masaaki MIYAHARA², Eiji OHTANI¹, Yoshinori ITO¹, Akio SUZUKI¹, Makoto KIMURA³, Olga N. Koroleva⁴, Konstantin Litasov⁵, Nikolay P. Pokhilenko⁵ (1.Department of Earth Science, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan, 2.Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University,, 3.Faculty of Science, Ibaraki University, Mito 310-8512, Japan, 4.Institute of Mineralogy, UB RAS, Miass, 456317, Russia, 5.V. S. Sobolev Institute of Geology and Mineralogy, SB RAS, Novosibirsk, 630090, Russia)

*Shin OZAWA¹, Masaaki MIYAHARA², Eiji OHTANI¹, Yoshinori ITO¹, Akio SUZUKI¹, Makoto KIMURA³, Olga N. Koroleva⁴, Konstantin Litasov⁵, Nikolay P. Pokhilenko⁵ (1.Department of Earth Science, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan, 2.Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University,, 3.Faculty of Science, Ibaraki University, Mito 310-8512, Japan, 4.Institute of Mineralogy, UB RAS, Miass, 456317, Russia, 5.V. S. Sobolev Institute of Geology and Mineralogy, SB RAS, Novosibirsk, 630090, Russia)