convener:Tetsuo Kawakami(Graduate School of Science, Kyoto University), Tomokazu Hokada(National Institute of Polar Research), Madhusoodhan Satish-Kumar(Department of Geology, Faculty of Science, Niigata University), Krishnan Sajeev(Centre for Earth Sciences, Indian Institute of Science), Chairperson:Madhusoodhan Satish-Kumar(Department of Geology, Faculty of Science, Niigata University), Nobuhiko Nakano(Faculty of Social and Cultural Studies, Kyushu University)