11:00 AM - 1:00 PM
*Akio Goto1, Kensuke Sakairi2, Watanabe Shifumi2, Yoshino Fukuda2, Kento Yuzawa2, Yoshinobu Chiba2, Haruki Urazoe2, Kazuhisa A. Chikita3 (1.Center for Northeast Asian Studies, Tohoku University, 2.Division of Earth and Planetary Material Science, Faculty of Science, Tohoku University, 3.Arctic Research Center, Hokkaido University)