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

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

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

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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.

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