NWA 5343

Secondary corundum in CAIs from CK3 carbonaceous chondrites dates metasomatic alteration of CK chondrites

08/09/2025 16:15 · by karmaka · in CAI, carbonaceous chondrite, CK

A. N. Krot, K. Nagashima, S. Ebert, M. I. Petaev, C. Ma, J. Han, T. L. Dunn MAPS, Version of Record online: 08 September 2025 LINK “We report on the mineralogy, petrography, and oxygen and…

Oxygen and aluminum-magnesium isotope systematics of the metasomatically altered coarse-grained igneous calcium-aluminum-rich from CK3.7 − 3.8 carbonaceous chondrites

24/01/2025 06:45 · by karmaka · in CAI, carbonaceous chondrite, CK, CV, CV-CK, refractory inclusions, thermal metamorphism

Alexander N. Krot, Kazuhide Nagashima, Tasha L. Dunn, Chi Ma, Michail I. Petaev Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 23 January 2025 LINK “We report on oxygen and aluminum-magnesium isotope systematics of…

Metasomatic alteration of coarse-grained igneous calcium-aluminum-rich inclusions from CK3 carbonaceous chondrites

04/10/2023 15:31 · by karmaka · in CAI, carbonaceous chondrite, CK, coarse-grained

Alexander N. Krot, Tasha L. Dunn, Michail I. Petaev, Chi Ma, Kazuhide Nagashima, Jutta Zipfel MAPSVersion of Record online: 03 October 2023 LINK “We report on the primary and secondary mineralogies of three coarse-grained igneous…

Characterization of matrix material in Northwest Africa 5343: Weathering and thermal metamorphism of the least equilibrated CK chondrite

01/06/2018 15:25 · by karmaka · in carbonaceous chondrite, CK, matrix, terrestrial weathering, thermal metamorphism

Dunn, T. L., Battifarano, O. K., Gross, J. and O’Hara, E. J. Meteorit Planet Sci. . doi:10.1111/maps.13118 LINK “Based on the chemical heterogeneity of chondrule and matrix olivine, Northwest Africa (NWA) 5343 is the least…