GULICK, Sean1, MORGAN, Joanna V.2, CHRISTESON, Gail3, COLLINS, Gareth S.4 and WARNER, Michael2, (1)The Institute for Geophysics, Jackson School of Geosciences, The University of Texas at Austin, J.J. Pickle Research Campus, Building 196 10100 Burnet Road (R2200), Austin, TX 78758-4445; Department of Geological Sciences, Jackson School of Geosciences, University of Texas at Austin, Austin, TX 78712; Inst. for Geophysics, Dept. Geological Sciences, Ctr. for Planetary Systems Habitability, University of Texas at Austin, Austin, TX 78712, (2)Department of Earth Science and Engineering, Imperial College London, Prince Consort Road, South Kensington, London, SW7 2BP, United Kingdom, (3)The Institute for Geophysics, Jackson School of Geosciences, The University of Texas at Austin, J.J. Pickle Research Campus, Building 196 10100 Burnet Road (R2200), Austin, TX 78758-4445, (4)Imperial College London, London, SW7 2BP, United Kingdom