Hannah Teffeteller, The University of Tennessee, Earth and Planetary Sciences, Knoxville, TN, United States, Justin Filiberto, Lunar and Planetary Institute, USRA, Houston, TX, United States, Allan H Treiman, Lunar & Planetary Inst, Houston, TX, United States, Molly C McCanta, University of Tennessee, Knoxville, TN, United States, Lindsay P Keller, NASA Johnson Space Ctr, Mail Code XI2, Houston, TX, United States, Daniele J Cherniak, Rensselaer Polytechnic Inst, Troy, NY, United States and Malcolm J Rutherford, Brown Univ, Providence, RI, United States