Ariel D Anbar¹, Shintaro Kadoya², Robert William Nicklas³, Igor S Puchtel³ and David C Catling⁴, (1)Arizona State University, School of Earth and Space Exploration and School of Molecular Sciences, Tempe, AZ, United States, (2)University of Washington Seattle Campus, Earth and Space Sciences, Seattle, WA, United States, (3)University of Maryland College Park, Department of Geology, College Park, MD, United States, (4)University of Washington, Earth and Space Sciences, Seattle, WA, United States