The impact of an uranium mining site on the stream sediments (Crucia mine, Romania)

Lucian Petrescu 1 Essaïd Bilal 2, 3, 4 Luisa Iatan 1
1 DoM - Department of Mineralogy
2 LMV-ENSMSE - Laboratoire Magmas et Volcans
Mines Saint-Étienne MSE - École des Mines de Saint-Étienne, SPIN, CNRS - Centre National de la Recherche Scientifique : UMR6524, LMV - Laboratoire Magmas et Volcans : UMR 6524
3 SPIN-ENSMSE - Centre Sciences des Processus Industriels et Naturels
4 GENERIC-ENSMSE - Département Géochimie, environnement, écoulement, réacteurs industriels et cristallisation
Abstract : XRF methods were used to evaluate the impact of uranium mine dumps on the stream sediments from Crucea region (Romania). In order to estimate the natural and anthropogenic inputs of radioactive and heavy metals in the sediments, normalization to Al was applied. The pollution degree of the bottom sediments show that U, Th and Pb reach medium and punctual high values, while the rest of the elements appears in concentrations close to the background or lower. The measurements carried out in the surroundings of a local uranium mine show that the impact of Crucea mine on water quality downstream of mining area is insignificant.
Keywords : impact of mine wastes stream sediments uranium thorium
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Conference papers
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Lucian Petrescu, Essaïd Bilal, Luisa Iatan. The impact of an uranium mining site on the stream sediments (Crucia mine, Romania). XIX Congress of the Carpathian Balkan Geological Association, Thessalonique, Grèce, 23 au 26 septembre 2010, Sep 2010, Thessalonique, Greece. ⟨emse-00714703⟩

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