Thorium and uranium abundances in the Jilin H5 chondrite

Details Thorium and uranium abundances in the Jilin H5 chondrite Thorium and uranium abundances in the Jilin H5 chondrite

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985e%26psl..72..307p&link_type=abstract

Earth and Planetary Science Letters (ISSN 0012-821X), vol. 72, no. 2-3, Feb. 1985, p. 307-310.

Computer Science

2

Abundance, Chondrites, Meteoritic Composition, Neutron Activation Analysis, Thorium, Uranium, Geochemistry, Ratios, Meteorites, Jilin, H5 Chondrites, Stone Meteorites, Samples, Meteorite, Thorium, Uranium, Abundance, Neutron Activation Analysis, Radiochemistry, Rnaa, Comparisons, Element Ratios, Contamination, Enrichment

Scientific paper

Thorium and uranium abundances have been measured in the Jilin H5 chondrite by radiochemical neutron activation analysis. Although the abundances of (35.8 + or - 1.5) ppb Th and (14.9 + or - 0.9) ppb U are within the range of literature values, the ratio Th/U is about 25 percent lower than the average value for H chondrites. Terrestrial addition of uranium appears to be the most likely explanation.

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