2:00 PM - 2:15 PM
*Koji Seike1, Kyoko Yamaoka1, Akira Iguchi1, Minako Tanaka2, Tatsuo Fukuhara2, Kato Kodai2, Yuya Yamamoto2, Akiyuki Ishida3 (1.Geological Survey of Japan, AIST, 2.KANSO TECHNOS Co., Ltd., 3.Japan Organization for Metals and Energy Security (JOGMEC))