Giant olivine chondrule as a possible later-stage product in the nebula

Details Giant olivine chondrule as a possible later-stage product in the nebula Giant olivine chondrule as a possible later-stage product in the nebula

Jul 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975natur.256...27t&link_type=abstract

Nature, vol. 256, July 3, 1975, p. 27, 28.

Computer Science

3

Chondrites, Chondrule, Meteoritic Composition, Olivine, Rare Earth Elements, Abundance, Chemical Analysis, Planetary Evolution, Solar System, Trace Elements

Scientific paper

Results are reported for element-abundance analyses of a giant (7 mm in diameter) olivine chondrule discovered in the Allende Chondrite. The abundances of common rare-earth elements are found to be forty times lower than those in ordinary olivine chondrules, no comparable fractionation is found among alkali metals, and a considerable depletion of aluminum is observed. It is suggested that this chondrule is almost pure olivine and that it may have formed as a later-stage product in a nebula when the temperature was not yet low enough to condense the alkali metals.

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