Rebecca N Greenberger, California Institute of Technology, Pasadena, CA, United States, Bethany L Ehlmann, California Institute of Technology, Geological and Planetary Sciences, Pasadena, CA, United States, Michelle Harris, Plymouth University, Plymouth, United Kingdom, Peter B Kelemen, Lamont Doherty Earth Observatory, Columbia University, Palisades, NY, United States, Craig E Manning, Univ California Los Angeles, Los Angeles, CA, United States, Damon A H Teagle, University of Southampton, School of Ocean & Earth Science, National Oceanography Centre Southampton, Southampton, United Kingdom and The Oman Drilling Project Science Party