9:00 AM - 9:15 AM
*Yoshitaka Kakuwa1, Olga I Nikitina2, Tatiana J Tolmacheva3 (1.Gas Hydrate Laboratory, Organization for the Strategic Coordination of Research and Intellectual Properties, Meiji University, 2.Sarpaev Institute of Geological Sciences, Almaty, Kazakhstan, 3.A.P. Karpinskii Russian Geological Research Institute, St. Petersburg, Russia)