Highly fractionated rare-earth elements in ferromagnesian chondrules from the Felix (CO3) meteorite

Details Highly fractionated rare-earth elements in ferromagnesian chondrules from the Felix (CO3) meteorite Highly fractionated rare-earth elements in ferromagnesian chondrules from the Felix (CO3) meteorite

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.334...47m&link_type=abstract

Nature (ISSN 0028-0836), vol. 334, July 7, 1988, p. 47-50. Research supported by the University of Tokyo.

Computer Science

15

Chondrites, Fractionation, Meteoritic Composition, Rare Earth Elements, Aluminum Compounds, Condensates, Cosmochemistry

Scientific paper

Two ferromagnesian chondrules from the Felix carbonaceous chondrite are described which carry a marker signature of REE fractionation in the early solar nebula. Both show positive Ce and Yb anomalies and one exhibits a light/heavy REE fractionation similar to those of Group II Ca, Al-rich inclusions. On the basis of the REE characteristics of these chondrules as well as those of Allende, it is suggested that one of the precursor materials of chondrules in CO-CV carbonaceous chondrites is a high-temperature condensate from the nebular gas.

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