Physics
Scientific paper
Oct 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002m%26ps...37.1337i&link_type=abstract
Meteoritics & Planetary Science, vol. 37, no. 10, pp. 1337-1344 (2002)
Physics
8
Scientific paper
Natural calcium monoaluminate, CaAl2O4, has been found in a grossite-rich calcium-aluminum-rich inclusion (CAI) from the CH chondrite Northwest Africa 470. The calcium monoaluminate occurs as colorless ~10 um subhedral grains intergrown with grossite, perovskite, and melilite. Nebular condensation is the most likely origin for the precursor materials of this CAI, but calculations suggest that dust/gas ratios substantially enhanced over solar are required to stabilize CaAl2O4.
Ivanova Marina A.
MacPherson Glenn J.
Nazarov Michael A.
Petaev Michael I.
Taylor Lawrence A.
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