Ayaka Nakamura¹, *Masaaki Miyahara¹, Hiroki Suga², Akira Yamaguchi³, Daisuke Wakabayashi⁴, Shohei Yamashita⁴, Yasuo Takeichi⁴, Yoshio Takahashi², Eiji Ohtani⁵ (1.Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University, 2.Department of Earth and Planetary, Graduate School of Science, The University of Tokyo, 3.National Institute of Polar Research, 4.Institute of Materials Structure Science, High-Energy Accelerator Research Organization, 5.Department of Earth Sciences, Graduate School of Science, Tohoku University)

*Naotaka Tomioka¹, Takuo Okuchi², Luca Bindi³, Masaaki Miyahara⁴, Toshiaki Iitaka⁵, Zhi Li⁶, Xiande Xie⁷, Narangoo Purevjav^2,8, Kiyoshi Fujino⁹, Tetsuo Irifune⁹, Riho Tani^4,1, Yu Kodama¹⁰ (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.Institute for Planetary Materials, Okayama University, 3.Università degli Studi di Firenze, 4.Hiroshima University, 5.RIKEN, 6.Nanjing University of Science and Technology, 7.Guangzhou Institute of Geochemistry, 8.Bayerisches Geoinstitut, University of Bayreuth, 9.Geodynamics Research Center, Ehime University, 10.Marine Works Japan Ltd)

*Masaaki Miyahara¹, Junnosuke Edanaga¹, Akira Yamaguchi², Takamichi Kobayashi³, Toshimori Sekine^4,5 (1.Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University, 2.National Institute of Polar Research, 3.National Institute for Materials Science, 4.Center for High-Pressure Science and Technology Advanced Research, 5.Graduate School of Engineering, Osaka University)