Radioactive disequilibria in mineralised fracture samples from two uranium occurrences in northern Sweden
LITHOS
By: John A.T. Smellie and J.N. Rosholt
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Abstract
Mineralised fractures from two uranium occurrences in northern Sweden were examined mineralogically and isotopically to establish the presence or absence of radioactive equilibrium that may indicate recent rock-water interaction processes based on the natural mobility of uranium (i.e.; during the last 0.5 Ma). The results show evidence of radioactive disequilibrium in six of the nine samples investigated. Disequilibria are attributable to solution to solid 234U recoil gain (weakly mineralised zones adjacent to the main mineralisation) and solid to solution 234U recoil loss (moderate to highly mineralised zones). The absence of significant 238U loss in the samples emphasises the reducing conditions at the sampled depths. ?? 1984.
Suggested Citation
Smellie, J.A., Rosholt, J., 1984, Radioactive disequilibria in mineralised fracture samples from two uranium occurrences in northern Sweden: LITHOS, v. 17, no. C, p. 215-225, https://doi.org/10.1016/0024-4937(84)90021-5.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Radioactive disequilibria in mineralised fracture samples from two uranium occurrences in northern Sweden |
| Series title | LITHOS |
| DOI | 10.1016/0024-4937(84)90021-5 |
| Volume | 17 |
| Issue | C |
| Year Published | 1984 |
| Language | English |
| Publisher | Elsevier |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | LITHOS |
| First page | 215 |
| Last page | 225 |