Stepped Acid Extractions of CO2 from Ancient Carbonates in Martian Nakhlites (MIL 03346, 090030, 090032, 090036) Show Distinct δ18O and δ13C Isotopic Values Compared to Secondary Terrestrial Carbonates Formed on Ordinary Chondrites (OC) Collected from Antarctica

Michael E Evans, NASA Johnson Space Center, Astromaterials Research and Exploration Science, Houston, TX, United States and Paul B Niles, NASA Johnson Space Center, Houston, TX, United States
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