09:15 〜 09:30
*Raymond DURRHEIM1、Alexander MILEV2、Thabang KGARUME2、Van zyl BRINK2、Artur CICHOWICZ3、Hiroshi OGASAWARA4 (1.CSIR, South Africa、2.University of the Witwatersrand, South Africa、3.Council for Geoscience, South Africa、4.Ritsumeikan University, Japan)