About Takahashi, Satoshi
About Department of Earth and Planetary Science, University of Tokyo
About Yamasaki, Shin-ichi
About Graduate School of Environmental Studies, Tohoku University
About Tsuchiya, Noriyoshi
About Graduate School of Environmental Studies, Tohoku University
About Ogawa, Kazuhiro
About Graduate School of Science, Tohoku University
About Kaiho, Kunio
About Graduate School of Science, Tohoku University
About Palaeogeography, Palaeoclimatology, Palaeoecology