Ann Pearson¹, Sarah J Hurley², Felix J Elling¹, Elise Wilkes³ and Hilary G Close⁴, (1)Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, (2)University of Colorado Boulder, Boulder, CO, United States, (3)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States, (4)University of Hawaii, Honolulu, HI, United States