Statistics
Scientific paper
Dec 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979icar...40..522c&link_type=abstract
(Asteroids and Planets X Meeting, University of Arizona, Tucson, Ariz., Mar. 1979.) Icarus, vol. 40, Dec. 1979, p. 522-530.
Statistics
5
Achondrites, Asteroids, Basalt, Meteoritic Composition, Rare Earth Elements, Abundance, Astronomical Models, Crystallization, Europium, Iron Meteorites, Melting
Scientific paper
The spectral uniqueness of asteroid 4 Vesta has led to suggestions that it is the eucrite parent body. However, there exist other basaltic achondrite types besides eucrites; either they also came from Vesta or else there exist other achondrite parent bodies. Howardites appear to be mixtures of eucrites and diogenites, and mesosiderites mixtures of eucrites or howardites and iron; thus one may infer that all four classes come from the same parent body. The REE patterns of eucrites and diogenites are modeled in order to test this hypothesis; eucrites can be made easily, but the patterns of diogenites are more difficult to match. The other basaltic achondrites are so rare that one cannot argue from statistics of abundances against a disrupted parent body for their origin. Pallasites and most irons likely had an origin separate from eucrites, again in parent bodies since disrupted.
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