Anhydrous lithic clasts in four CM2 carbonaceous chondrites derived from a thermally metamorphosed planetesimal with CM and CY affinities

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Martin R. Lee, Sammy Griffin, Ross Findlay, Xuchao Zhao, Ian A. Franchi Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 23 December 2025 LINK “The CM2 meteorites Grove Mountains (GRV) 021536, Murchison, and Shidian,…

The CAI Database: 26Al–26Mg Isotope SystematicsOPEN ACCESS 

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Emilie T. Dunham, Ming-Chang Liu, Aman Burman, Fatima Jorge-Chavez, Danielle Leuer, Ashley K. Herbst, François L. H. Tissot, and Kevin D. McKeegan The Astrophysical Journal Supplement Series, Volume 282, Number 1, published 22 December 2025…

The D/H ratio of the Martian Mantle: Evidence from the Lafayette MeteoriteOPEN ACCESS 

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Lydia J. Hallis, Evangelos Christou, Jemma Davidson, Andrea G. Distel Advances in Geochemistry and Cosmochemistry19 December 2025 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Hydrous apatite in the nakhlite group of martian meteorites shows evidence of…

Rapid terrestrial weathering of the CI1 carbonaceous chondrite find Oued Chebeika 002OPEN ACCESS 

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Martin R. Lee, Jasper Glazer MAPS, Version of Record online: 22 December 2025 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Alteration of historic CI1 meteorite falls during their curation demonstrates the susceptibility of smectite-rich carbonaceous chondrites…

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