PRÉAT, Alain R.Y.¹, BOUTON, Pascal², THIÉBLEMONT, Denis³, PRIAN, Jean-Pierre³, NDOUNZE, Serge Simo⁴ and DELPOMDOR, Franck⁵, (1)Department of Earth and Environmental Sciences, University of Brussels, F. Roosevelt av., 50, Brussels, B-1000, Belgium, (2)Calligée, 1 Rue de la Noé BP82118, Nantes, 44321, France, (3)Bureau de Recherches Géologiques et Minières, 3 av. Claude Guillemin, Orléans, 45060, France, (4)Direction générale des Mines et de la Géologie, BP 284 Libreville, Libreville, BP284, Gabon, (5)av FD Roosevelt 50, University of Brussels, av FD Roosevelt 50, Bruxelles, B-1050, Belgium, apreat@ulb.ac.be, apreat@ulb.ac.be

ANDERSON, Kathleen R., Department of Geological Sciences, Brigham Young University, S389 ESC, Provo, UT 84602 and DEHLER, Carol M., Department of Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, garnetofeden@gmail.com, garnetofeden@gmail.com

ROSE, Catherine V. and MALOOF, Adam, Department of Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544, cvrose@princeton.edu, cvrose@princeton.edu

OEHLERT, Amanda M., SWART, Peter K. and DEVLIN, Quinn B., Marine Geology and Geophysics, Rosenstiel School of Marine and Atmospheric Sciences, University of Miami, 4600 Rickenbacker Causeway, Miami, FL 33149, aoehlert@rsmas.miami.edu, aoehlert@rsmas.miami.edu

NAHILL, Natalie D., Earth & Environmental Science, University of Pennsylvania, Hayden Hall, 240 S 33rd St, Philadelphia, PA 19104, GARCIA-VEIGAS, Javier, Servicios Científico Técnicos, University of Barcelona, Barcelona, 08028, Spain, LOWENSTEIN, Tim K., Department of Geological Sciences and Environmental Studies, Binghamton University, Binghamton, NY 13902-6000, GIEGENGACK, Robert, Earth & Environmental Science, University of Pennsylvania, Hayden Hall, 240 S 33rd Street, Philadelphia, PA 19104 and PETERS, Heide, Leibniz Institute for Science, Kiel, 24098, Germany, nahilln@sas.upenn.edu, nahilln@sas.upenn.edu

MILLER, Nathan R., Department of Geological Sciences, The University of Texas at Austin, Austin, TX 78712 and LEBOURNE, Matthew, GNS Science, Lower Hutt, Box 30-368, New Zealand, nrmiller@mail.utexas.edu, nrmiller@mail.utexas.edu

BONIFACIE, Magali, IPGP, 1 rue Jussieu, Paris, 75238, France, RAUB, Timothy D., Division of Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, Caltech 170-25, Pasadena, CA 91125, FIKE, David A., Department of Earth and Planetary Sciences, Washington University, St. Louis, MO 63130 and EILER, John M., Division of Geology and Planetary Sciences, California Institute of Technology, MC 170-25, 1200 E. California Blvd, Pasadena, CA 91125, bonifaci@gps.caltech.edu, bonifaci@gps.caltech.edu

OSBURN, Magdalena R., Geological and Planetary Sciences, Caltech, 1200 E. California Blvd, Caltech MC 170-25, Pasadena, CA 91125 and GROTZINGER, John, Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, maggie@gps.caltech.edu, maggie@gps.caltech.edu

GODFREY, Linda, Department of Marine and Coastal Sciences, Rutgers University, New Brunswick, NJ 08901 and BEBOUT, Gray E., Department of Earth and Environmental Sciences, Lehigh University, 1 West Packer Avenue, Bethlehem, PA 18015, godfrey@marine.rutgers.edu, godfrey@marine.rutgers.edu