11:30 AM - 11:45 AM
*Masako YOSHIKAWA1, Marie Python2, Shoji ARAI3, Akihiro TAMURA3, Tomoyuki SHIBATA1, Eiichi TAKAZAWA4, Akira UEDA5, Tsutomu SATO6 (1.Inst. Geotherm. Sci., Kyoto University, 2.Dep. Natural History Sci., Hokkaido University, 3.Dep. Earth Sci., Kanazawa University, 4.Dep. Geol., Niigata University, 5.Faculty of Science, University of Toyama, 6.Faculty of Engineering, Hokkaido University)