METEORITIC AND TERRESTRIAL RARE EARTH ABUNDANCE PATTERNS
Journal Article
·
· Geochim. et Cosmochim. Acta
Previously determined relative abundances of the rare earths in chondrites were found to differ from those in most common terrestrial rocks. Attention is drawn to a set of determinations in casic igneous rocks in which the pattern is similar to the chondritic abundance relations. It is concluded that the earth and chondrites contain similar relative amounts of the rare earths, and that those of lower atomic number have been selectively enriched in crustal rocks. This fractionation is attributed to differences in the radii of the trivalent ions. (auth)
- Research Organization:
- Australian National Univ., Canberra
- NSA Number:
- NSA-16-013380
- OSTI ID:
- 4800004
- Journal Information:
- Geochim. et Cosmochim. Acta, Journal Name: Geochim. et Cosmochim. Acta Vol. Vol: 26
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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