Newly Recognized Classes of Type 3 Carbonaceous Chondrites with Extreme Oxygen Isotopic Compositions Beyond the CCAM Trend

Irving A. J., Garvie L. A. J., Carpenter P. K., Ziegler K.

84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6218)


Three new types of ungrouped carbonaceous chondrite from Northwest Africa have oxygen isotopic compositions which plot below the CCAM trend, and therefore must derive from previously unrecognized parent bodies.