Fission tracks in a white inclusion of the Allende chondrite — Evidence for244Pu
Autor: | J. Shirck |
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Rok vydání: | 1974 |
Předmět: | |
Zdroj: | Earth and Planetary Science Letters. 23:308-312 |
ISSN: | 0012-821X |
DOI: | 10.1016/0012-821x(74)90120-4 |
Popis: | Fossil fission tracks have been found in a coarse-grained white inclusion of the Allende chondrite. Tracks are present in excess of those produced by 238 U spontaneous fission and cosmic rays. The ratio of excess tracks to 238 U tracks is ∼20, intermediate to ratios previously observed in meteorites but much lower than might be expected in light of the high initial 244 Pu/U ratio measured in these inclusions from Xe isotope ratios. |
Databáze: | OpenAIRE |
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