Natalia V Zakharova, Central Michigan University, Earth and Atmospheric Sciences, Mount Pleasant, MI, United States, Manika Prasad, Colorado School of Mines, Department of Geophysics, Golden, CO, United States, Donna J Shillington, Lamont -Doherty Earth Observatory, Palisades, NY, United States, Lisa Clare McNeill, University of Southampton, Ocean and Earth Science, Southampton, SO14, United Kingdom, Mary Ford, CRPG Centre de Recherches Pétrographiques et Géochimiques, Vandoeuvre-Les-Nancy, France, Casey W Nixon, University of Bergen, Department of Earth Science, Bergen, Norway and IODP Expedition 381 Scientists