The transfer of uranium isotopes 234U and 238U to the waters interacting with carbonates from Mendip Hills area (England). |
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| Authors: | D M Bonotto J N Andrews |
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| Affiliation: | 1. Laboratoire d''Hydrologie et de Géochimie de Strasbourg, EOST, Université de Strasbourg, CNRS, 1 rue Blessig, 67084 Strasbourg, Cedex, France;2. Laboratoire de Biogéochimie des Ecosystèmes Forestiers, INRA, 54280, Champenoux, France |
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| Abstract: | Laboratory time-scale experiments were conducted on limestone and dolomite gravels from the Mendip Hills area, England, with the purpose of evaluating the release of 238U and 234U to different aqueous solutions. The 234U/238U activity ratio (AR) lab data were reliable to interpret the field data. The obtained values do not indicate a reduction in the amount of dissolved U and an increase in the AR of the remaining dissolved U as commonly observed for groundwater systems close to redox boundaries. |
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