16:15 〜 16:30
*Gabriela Nogo Retnaningtyas Bunga Naen1、Andrea Agangi2,3、Manuel Augusto Manuel Nopeia1、Marlina Elburg3、Pearlyn Manalo2、Ryohei Takahashi2 (1.Center for Regional Revitalization in Research and Education, Akita University, Japan 、2.Department of Earth Resource Science, Akita University, 1-1 Tegata Gakuen-machi, 010-0852 Akita Japan 、3.Department of Geology, University of Johannesburg, Crn University and Kingsway, 2006 Auckland Park, South Africa)