Oxygen isotope systematics of chondrules in the Murchison CM2 chondrite and implications for the CO-CM relationship

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Noël Chaumard, Céline Defouilloy, Noriko T. Kita Geochimica et Cosmochimica Acta Available online 5 March 2018 LINK “High-precision oxygen three-isotope measurements of olivine and pyroxene were performed on 29 chondrules in the Murchison CM2 chondrite…

Tracing the Earliest Stages of Hydrothermal Alteration on Primitive Asteroids

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Mason E., King A. J., Bates H., Schofield P. F., Donaldson Hanna K. L., S.S. Russel 49th Lunar and Planetary Science Conference 2018 POSTER LOCATION #86 [#1482] abstract PDF e-poster The modal mineralogy, H abundances,…

Development of an Advanced Electron Microscopy Methodology: Comparison of the Mineralogy of Fine-Grained Rims and Adjacent Matrix in the CM Paris Chondrite

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Zanetta P-M., Leroux H., Le Guillou C., Zanda B. 49th Lunar and Planetary Science Conference 2018 POSTER LOCATION #97 [#2232] PDF The mineralogy of the matrix and fine-grained rims are compared in the Paris chondrite…

Ferroan olivine-bearing eucrite clasts found in howardites

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Patzer, A. and McSween, H. Y. Meteoritics & Planetary Science. doi: 10.1111/maps.13064 LINK “We investigated several olivine-bearing, medium-grained, ophitic to subophitic eucritic clasts from three different Antarctic howardites. Based on grain size (0.5–2 mm), these…

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