Zoe Levitt¹, Isaac A. Hilburn², Jennifer Buz³, Richard Dargan⁴ and Joseph L Kirschvink², (1)Massachusetts Institute of Technology, Cambridge, MA, United States, (2)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States, (3)California Institute of Technology, Pasadena, CA, United States, (4)Caltech, Pasadena, United States