14:00 〜 14:15
*Mengnjo Jude Wirmvem1、Takeshi Ohba1、Brice Tchakam Kamtchueng2、Wilson Yetoh Fantong2、Muga Yaguchi1、Mumbfu Ernestime Mimba1,2、Tasin Godlove Bafon3、Gloria Eneke Takem2、Ako Andrew Ako2 (1.Sch. of Sci, Tokai Univ.、2.IRGM, Cameroon、3.Compagnie Minière Du Cameroun SA)