SAWYER, Dale, Earth Science, Rice University, 6100 Main Street, Houston, TX 77005, dale@rice.edu, RESTON, Timothy, School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, B152TT, United Kingdom, SHILLINGTON, Donna J., Lamont-Doherty Earth Observatory of Columbia University, 61 Route 9W, Palisades, NY 10964, MINSHULL, Timothy A., National Oceanography Centre, University of Southampton, European Way, Southampton, SO14 3ZH, United Kingdom, KLAESCHEN, Dirk, Dynamik des Ozeanbodens, IFM-GEOMAR, Leibnitz Institute of Marine Sciences, Wischhofstrasse 1-3, Kiel, D-20148, Germany, and MORGAN, Julia, Earth Science, Rice University, Houston, TX 77005