*Damon A H Teagle¹、Michelle Harris²、Gretchen Früh-Green³、Eiichi TAKAZAWA⁴、 Katsuyoshi Michibayashi⁵、Peter B Kelemen⁶、Oman Drilling Project Science Team¹ (1.Ocean & Earth Science, National Oceanography Centre Southampton, University of Southampton, SO14-3ZH, Southampton, UK、2.School of Geography, Earth and Environmental Sciences, Plymouth University, UK、3.Earth Sciences, ETH Zürich, Switzerland、4.Geology, Niigata University, Japan、5.Earth and Planetary Sciences, Nagoya University, Japan、6.LDEO, Columbia University, New York, USA)