14:33 〜 14:51
*ZEDGENIZOV Dmitriy1、KAGI Hiroyuki2、SHATSKY Vladislav3、RAGOZIN Alexey2 (1.V.S.Sobolev Institute of Geology and Mineralogy, Novosibirsk, Russia、2.University of Tokyo, Tokyo, Japan,、3.A.V.Vinogradov Institute of Geochemistry, Irkutsk, Russia)