Nanophase, Low-Ni Metal Grains in Fine-grained Rims in the Murchison CM2 Chondrite: Insights into the Survival of Metal Grains During Aqueous Alteration

Details Nanophase, Low-Ni Metal Grains in Fine-grained Rims in the Murchison CM2 Chondrite: Insights into the Survival of Metal Grains During Aqueous Alteration Nanophase, Low-Ni Metal Grains in Fine-grained Rims in the Murchison CM2 Chondrite: Insights into the Survival of Metal Grains During Aqueous Alteration

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003lpi....34.1364b&link_type=abstract

34th Annual Lunar and Planetary Science Conference, March 17-21, 2003, League City, Texas, abstract no.1364

Physics

Scientific paper

TEM and EFTEM studies reveal partially oxidized nanophase kamacite
grains in fine-grained rims in Murchison. The grains are rimmed by
amorphous carbon and magnetite. We suggest that the carbon layer
protected the metal from full oxidation during parent body aqueous
alteration.

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