Aubrites and diogenites - Trace element clues to their origin

Details Aubrites and diogenites - Trace element clues to their origin Aubrites and diogenites - Trace element clues to their origin

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983gecoa..47.2257w&link_type=abstract

Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 47, Dec. 1983, p. 2257-2270.

Computer Science

20

Achondrites, Breccia, Meteoritic Composition, Mineralogy, Trace Elements, Abundance, Evolution (Development), Metals, Rare Earth Elements

Scientific paper

A typically igneous siderophile element pattern emerges from an RNAA analysis of 25 aubrite and nine diogenite samples for 13-29 siderophile, volatile, and lithophile trace elements, although it is noted that abundances are about 10 times higher in the case of aubrites. Se is also surprisingly abundant in aubrites. Factor analysis shows several parallel groupings for aubrites and diogenites. Several element pairs that differ greatly in volatility correlate closely in aubrites, in approximately C1-chondrite proportions, suggesting that aubrites originated by igneous processes in their parent body.

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