Molly D OBeirne, University of California Santa Barbara, Santa Barbara, CA, United States, Josef P. Werne, University of Pittsburgh, Department of Geology and Environmental Science, Pittsburgh, PA, United States, William Gilhooly III, Indiana University Purdue Univ, Earth Sciences, Indianapolis, IN, United States, Alice Bosco Santos, Universidade Federal Fluminense, Niteroi, Brazil, Morgan R Raven, Organization Not Listed, Washington, DC, United States, Alex L Sessions, California Institute of Technology, Pasadena, CA, United States and Bart Van Dongen, University of Manchester, Manchester, United Kingdom