Presolar Grain Abundance Variation in the Miller Range 090019 CO3.1 Chondrite

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Nguyen A. N., Mane P., Ross D. K., Simon J. I.

52nd Lunar and Planetary Science Conference (2021), Abstract #2709

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“We determine a presolar O-rich grain abundance of 99ppm in MIL 090019 CO3.1. One matrix region has a low presolar O-rich grain abundance of 28ppm, indicating localized alteration. The presolar C-rich grain abundance (64ppm) did not vary with region.”

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