Chemical and Chromium Isotopic Variabilities at Small Scale in CI Chondrites, Ryugu, Bennu and Related Materials

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López García K.* Yokoyama T. Nakanishi N. Shirahata A. Zhu K.

METSOC 2026 abstract (PDF)

“Elemental and Cr isotopic data show widespread small-scale heterogeneity in carbonaceous materials, most pronounced in Ryugu and CIs, likely reflecting occurrence of secondary phases and incomplete isotopic homogenisation during aqueous alteration.”

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