Computer Science
Scientific paper
Aug 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.268..717f&link_type=abstract
Nature, vol. 268, Aug. 25, 1977, p. 717-719.
Computer Science
2
Carbonaceous Chondrites, Heavy Elements, Nuclear Fission, Xenon Isotopes, Abundance, Anomalies, Meteoritic Composition, Rare Earth Elements, Uranium Isotopes
Scientific paper
An hypothesis relating xenon-isotope enrichment in some carbonaceous chondrites to decay of a now extinct superheavy fissioning element is examined. In particular, the measurement of meteoritic rare-earth isotopic enrichment patterns, which may provide further evidence for the nature of the hypothesized fission process, is proposed. The fission decay properties of uranium and the transuranic elements may be used to help predict which of the rare earth elements should exhibit the largest isotopic anomalies due to superheavy decay. The possibility of determining actual abundances of rare earth elements in the chromite, carbon and a third unidentified mineral phase of the carbonaceous chondrites is also discussed.
Flynn George James
Loubet Michel
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