Robert Moucha, Syracuse University, Earth Sciences, Syracuse, NY, United States, Prasanna Mahesh Gunawardana, Monash University, Melbourne, VIC, Australia, Tyrone O Rooney, Department of Earth and Environment Sciences, Michigan State University, East Lansing, MI, United States, Seth Stein, Northwestern Univ, Department of Earth & Planetary Sciences, Evanston, IL, United States and Carol A Stein, Univ. of Illinois at Chicago, Chicago, IL, United States