Uranium and coexisting element behaviour in surface waters and associated sediments with varied sampling techniques used for uranium exploration
Journal of Geochemical Exploration
By: K. J. Wenrich-Verbeek
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Abstract
Optimum sampling methods in surface water and associated sediments for use in uranium exploration are being studied at thirty sites in Colorado, New Mexico, Arizona and Utah. For water samples, filtering is recommended to increase sample homogeneity and reproducibility because for most elements studied water samples which were allowed to remain unfiltered until time of analysis contained higher concentrations than field-filtered samples of the same waters. Acidification of unfiltered samples resulted in still higher concentrations. This is predominantly because of leaching of the elements from the suspended fraction. U in water correlates directly with Ca, Mg, Na, K, Ba, B, Li and As. In stream sediments, U and other trace elements are concentrated in the finer size fractions. Accordingly, in prospecting, grain size fractions less than 90 ??m (170 mesh) should be analyzed for U. A greater number of elements (21) show a significant positive correlation with U in stream sediments than in water. Results have revealed that anomalous concentrations of U found in water may not be detected in associated sediments and vice versa. Hence, sampling of both surface water and coexisting sediment is strongly recommended. ?? 1977.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Uranium and coexisting element behaviour in surface waters and associated sediments with varied sampling techniques used for uranium exploration |
| Series title | Journal of Geochemical Exploration |
| Volume | 8 |
| Issue | 1-2 |
| Year Published | 1977 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Geochemical Exploration |
| First page | 337 |
| Last page | 355 |
| Google Analytic Metrics | Metrics page |