NWA 4757

Metamorphism and aqueous alteration of the unusual carbonaceous chondrite Northwest Africa 4757

01/08/2025 10:03 · by karmaka · in aqueous alteration, carbonaceous chondrite, CY, thermal metamorphism

Marina A. Ivanova, Maria G. Krzhizhanovskaya, Sergey N. Britvin Geochemistry, available online 31 July 2025, 126319 LINK “The first CY chondrite from the Northwest Africa region was studied (NWA 4757). It is a small (5 g)…

Reassessing the proposed “CY chondrites”: Evidence for multiple meteorite types and parent bodies from Cr-Ti-H-C-N isotopes and bulk elemental compositions

21/12/2024 00:25 · by karmaka · in aqueous alteration, carbonaceous chondrite, chondrite classification, chondrule, CI, CM, CY, parent body, petrological type, thermal metamorphism

Devin L. Schrader, Zachary A. Torrano, Dionysis I. Foustoukos, Conel M.O’D. Alexander, Jan Render, Gregory A. Brennecka Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 20 December 2024 LINK “We report a coordinated bulk…