11:00 〜 11:15
*小笠原 宏1、Liebenberg Bennie2、Ziegler Martin3、矢部 康男4、Durrheim Ray5、Manzi Musa5、Onstott Tullis C6、Thomas Weirsberg7 (1.立命館大学理工学部、2.Moab Khotsong mine, South Africa、3.ETH, Zurich Dep. Earth Sciences、4.Graduate School of Science, Tohoku Univ.、5.Univ. Witwatersrand, School of Geoscience, South Africa、6.Princeton Univ., Dept. Geoscience, USA、7.GFZ, Potzdam, Germany)