*オブラクタ スティーブン¹、A.T. Kotilainen²、O. Hyttinen³、T. Andren⁴、D. Ryabchuk⁵、I. Snowball⁶、Y. Yokoyama⁷、Exp. 347 Science Party⁸ (1.秋田大学国際資源学部、2.Geological Survey of Finland (GTK)、3.University of Helsinki, Department of Geosciences and Geography、4.Sodertorn University, School of Natural Sciences、5.A.P. Karpinsky Russian Research Geological Institute (VSEGEI)、6.Uppsala University, Department of Earth Sciences - Natural Resources and Sustainable Development、7.東京大学大気海洋研究、8.International Ocean Discovery Program (IODP))