*Motoo Ito¹, Naotaka Tomioka¹, Masayuki Uesugi², Akira Yamaguchi³, Naoya Imae³, Naoki Shirai⁴, Takuji Ohigashi⁵, Makoto Kimura³, Ming-Chang Liu⁶, Richard. C. Greenwood⁷, Kentaro Uesugi², Aiko Nakato⁸, Kasumi Yogata⁸, Hayato Yuzawa⁵, Yu Kodama, Akira Tsuchiyama⁹, Masahiro Yasutake², Ross Findlay⁷, Ian A. Franchi⁷, James A. Malley⁷, Kaitlyn A. McCain⁶, Nozomi Matsuda⁶, Kevin D. McKeegan⁶, Kaori Hirahara¹⁰, Akihisa Takeuchi², Shun Sekimoto¹¹, Ikuya Sakurai¹², Ikuo Okada¹², Yuzuru Karouji⁸, Toru Yada⁸, Masanao Abe⁸, Tomohiro Usui⁸, Sei-ichiro WATANABE¹², Yuichi Tsuda⁸ (1.Kochi Institute for Core Sample Research JAMSTEC, 2.Japan Synchrotron Radiation Research Institute, 3.National Institute of Polar Research, 4.Tokyo Metropolitan University, 5.Institute for Molecular Science, UVSOR Synchrotron Facility, 6.UCLA , 7.Open University, 8.Japan Aerospace Exploration Agency, 9.Ritsumeikan University, 10.Osaka University, 11.Kyoto University, 12.Nagoya University)

*Takaaki Noguchi^1,2, Toru Matsumoto¹, Akira Miyake¹, Yohei Igami¹, Mitsutaka Haruta¹, Hikaru Saito², Satoshi Hata², Yusuke Seto³, Masaaki Miyahara⁴, Naotaka Tomioka⁵, Akira Tsuchiyama^6,7,8, Masahiro Yasutake⁹, Junya Matsuno⁶, Shota Okumura¹, Itaru MITSUKAWA¹, Kentaro Uesugi⁹, Masayuki Uesugi⁹, Akihisa Takeuchi⁹, Satomi Enju¹⁰, Aki Takigawa¹¹, Tatsuhiro Michikami¹², Tomoki Nakamura¹³, Megumi Matsumoto¹³, Yusuke Nakauchi¹⁴, Hisayoshi Yurimoto¹⁵, Kazuhide Nagashima¹⁶, Noriyuki Kawasaki¹⁵, Naoya Sakamoto¹⁵, Ryuji Okazaki², Hiroshi Naraoka², Hikaru Yabuta⁴, Sakamoto Kanako¹⁴, Shogo Tachibana¹¹, Sei-ichiro WATANABE¹⁷, Yuichi Tsuda¹⁴, The Hayabusa2-initial-analysis Sand team (overseas members) (1.Kyoto University, 2.Kyushu University, 3.Kobe University, 4.Hiroshima University, 5.JAMSTEC, 6.Ritsumeikan University, 7.Guangzhou Institute Geochemistry, Chinese Academy of Science, 8.CAS Center for Excellence in Deep Earth Science, 9.JASRI, 10.Ehime University, 11.University of Tokyo, 12.Kindai University, 13.Tohoku University, 14.JAXA, 15.Hokkaido University, 16.University of Hawai‘i at Mānoa, 17.Nagoya University)

*Itaru Mitsukawa¹, Akira Miyake¹, Yohei Igami¹, Tetsu Kogiso¹, Norikatsu Akizawa², Akira Tsuchiyama^3,4, Megumi Matsumoto⁵, Junya Matsuno³, Kentaro Uesugi⁶, Masahiro Yasutake⁶, Akihisa Takeuchi⁶, Shota Okumura¹ (1.Kyoto University, 2.University of Tokyo, 3.Ritsumeikan University, 4.Guangzhou Institute of Geochemistry, 5.Tohoku University, 6.JASRI/SPring-8)

*Yohan Park¹, Shintaro Azuma¹, Keishi Okazaki², Kentaro Uesugi³, Masahiro Yasutake³, Ryuichi Nomura⁴ (1.Tokyo institute of technology, 2.Japan Agency for Marine-Earth Science and Technology, 3.JASRI, 4.Kyoto university)

*Yuki Morono¹, Go-Ichiro Uramoto², Kentaro Uesugi³, Akihisa Takeuchi³, Masahiro Yasutake³, Wataru Tanikawa¹ (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.Kochi University, 3.Japan Synchrotron Radiation Research Institute)

*Hiroki Suga^1,2, Oki Sekizawa¹, Masahiro Yasutake¹, Kosuke Yamazoe¹, Masaki Oura², Yusuke Tamenori¹ (1.JASRI, 2.RIKEN SPring-8 Center)