*Youngji HA^1,2、Yong-Sun SONG¹、Kye-Hun Park¹、Tae-Seob Kang¹、Keewook Yi³ (1.Department of Earth Environmental Sciences, Pukyong National University, Busan 608-737, Korea、2.Department of Geology, Niigata University, Niigata 950-2181, Japan、3.Division of Earth and Environmental Science, Korea Basic Science Insititute, Ochang 363-883, Korea)

*今山 武志¹、Oh Chang-Wang¹、Baltybaev Shauket²、Park Chan-soo³、Yi Keewook³、Jung Haemyeong⁴ (1.全北大学地球環境学科、2.ロシア科学アカデミー、3.韓国基礎科学所、4.ソウル大学)

*坂田 龍玄¹、小澤 一仁¹、飯塚 毅¹、Yi Keewook² (1.東京大学大学院理学系研究科地球惑星科学専攻、2.Korean Basic Science Institute)