12:00 〜 12:15
*Horst Zwingmann1、Martin Timmerman2、Masafumi Sudo2、Roland Oberhänsli2、Virginia Toy3 (1.Department of Geology and Mineralogy, Kyoto University, 606-8502 Kyoto, Japan、2.Institute of Earth and Environmental Science, University of Potsdam, D-14476 Potsdam, Germany、3.Department of Geology, University of Otago, Dunedin 9054, New Zealand)