Institution: | (1) Department of Geology, Shinshu University, Matsumoto, 390 Nagano Pref., Japan;(2) Marine Department, Japan Meteorological Agency, temachi, 100 Tokyo, Japan;(3) Department of Chemistry, Tokyo Institute of Technology, O-okayama, Meguro-ku, 152 Tokyo, Japan;(4) Department of Geology, Kyushu University, 812 Fukuoka, Japan |