Meteoritic Ce-138/Ce-142 ratio and its evolution

Details Meteoritic Ce-138/Ce-142 ratio and its evolution Meteoritic Ce-138/Ce-142 ratio and its evolution

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984natur.307..251s&link_type=abstract

Nature (ISSN 0028-0836), vol. 307, Jan. 19, 1984, p. 251, 252.

Computer Science

11

Abundance, Cerium Isotopes, Meteoritic Composition, Radioactive Age Determination, Rare Earth Elements, Chondrites, Lanthanum Isotopes, Meteorites, Evolution, Isotopic Ratios, Cerium 138, Cerium 142, Ages, Nuclides, Decay, Dating Techniques, Samples, Meteorite, Systemics, Composition, Juvinas, Pasamonte, Alha78132, Eucrites, H Chondrites, Antarctic Meteorites, Allan Hills Meteorites, Lanthanum, Neodymium, Samarium, Experiments, Procedure, Jilin

Scientific paper

Cerium isotope ratios were determined for Juvinas, Pasamonte and ALH-78132 eucrites and the Jilin (H4) chondrite. Neodymium isotope ratios and abundances of lanthanum, cerium, neodymium and samarium were also determined for these meteorites. The La-Ce isotopic system, coupled with the Sm-Nd system, provides a new isotope tracer for geo- and cosmo-chemical samples, especially for samples having a Ce anomaly in the rare-earth element patterns.

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