Robert J Stern, University of Texas at Dallas, Dept. of Sustainable Earth Systems Sciences, Richardson, TX, United States, Ignacio Pujana, University of Texas at Dallas, Dept. of Sustainable Earth Systems Sciences, Richardson, United States, Molly Anderson, Woods Hole Oceanographic Institution, Department of Marine Chemistry & Geochemistry, Woods Hole, United States, Emily J Chin, UC San Diego, Scripps Institution of Oceanography, GRD, La Jolla, United States, Nicholas J Dygert, University of Tennessee, Knoxville, United States, Yumiko Harigane, Geological Survey of Japan, Tsukuba, Japan, Véronique Le Roux, Centre de Recherches Pétrographiques et Géochimiques, Nancy, France, Matt Leybourne, Queens University, Kingston, ON, Canada, Yasuhiko Ohara, Hydrographic and Oceanographic Department of Japan, Tokyo, Japan, Tomoyo Okumura, Kochi University, Kochi, Japan and George Segee-Wright, CPRG U. Lorraine, Lorraine, France