Rare earth and other elements in components of the Abee enstatite chondrite

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Enstatite, Meteoritic Composition, Rare Earth Elements, Abundance, Inclusions, Mineralogy, Neutron Activation Analysis, Meteorites, Abee, Rare Earth Elements, Enstatites, E Chondrites, Clasts, Composition, Samples, Meteorite, Matrix, Inclusions, Magnetic Properties, Analysis, Neutron Activation Analysis, Rnaa, Inaa, Abundance, Origin, Mineralogy, Patterns, Formation, Oldhamite, Condensation, Anomalies

Scientific paper

Radiochemical and instrumental neutron activation analyses of REEs and other elements have been conducted for Abee clast samples, a matrix sample, a dark inclusion, magnetic and nonmagnetic samples, and bulk samples. Correlations of the REEs and oldhamite abundance for both the clasts and dark inclusions indicate that the REEs chiefly occur in oldhamite. The similar REE patterns for clasts and dark inclusions, and the similar mineral composition of oldhamite in clast and dark inclusions, suggest that the oldhamite in both the clasts and dark inclusions is of a common origin.

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