*Shun Mihira1, Akira Yamaguchi2, Madhusoodhan Satish-Kumar1 (1.Niigata University, 2.National Institute of Polar Research)
convener:Madhusoodhan Satish-Kumar(Department of Geology, Faculty of Science, Niigata University), Krishnan Sajeev(Centre for Earth Sciences, Indian Institute of Science), Tomokazu Hokada(National Institute of Polar Research), Yasuhito Osanai(Division of Evolution of Earth Environments, Faculty of Social and Cultural Studies, Kyushu University)