*Bernard Marty¹, David J. Byrne¹, Michael W. Broadley¹, Evelyn Fueri¹, Laurent Zimmermann¹, Ryuji Okazaki², Tooru Yada³, Fumio Kitajima², Mizuki Yamamoto², Shogo Tachibana⁴, Hayabusa2 -initial-analysis volatile team, Hayabusa2 -initial-analysis core (1.Centre de Recherches Petrographiques et Geochimiques/ CNRS - Universite de Lorraine France, 2.Dept. Earth Planet. Sci. Kyushu U, Japan, 3.ISAS, JAXA, Japan, 4.UTOPS, U. Tokyo, Japan)

*Yuji Sano¹, Teresa M Escobar², Naoto Takahata², Maoliang Zhang³, Daisuke Goto⁴, Daniele L Pinti⁵, Bernard Marty⁶ (1.Center for Advanced Marine Core Research, Kochi University , 2.Atmosphere and Ocean Research Institute, University of Tokyo, 3.Tianjin University, 4.National Institute of Polar Research, 5.University of Quebeck, Montreal, 6.University of Lorraine)