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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/63903
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dc.contributor.authorMarcos Bonotto, Daniel-
dc.date.accessioned2014-05-27T05:57:34Z-
dc.date.accessioned2016-10-25T18:12:19Z-
dc.date.available2014-05-27T05:57:34Z-
dc.date.available2016-10-25T18:12:19Z-
dc.date.issued1989-05-30-
dc.identifierhttp://dx.doi.org/10.1016/0022-1694(89)90056-5-
dc.identifier.citationJournal of Hydrology, v. 107, n. 1-4, p. 155-168, 1989.-
dc.identifier.issn0022-1694-
dc.identifier.urihttp://hdl.handle.net/11449/63903-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/63903-
dc.description.abstractGroundwater samples were collected for several months in boreholes drilled at Morro do Ferro, a thorium and rare earth deposit located on the Poços de Caldas Plateau, Minas Gerais State, Brazil. An aquifer system has developed in the weathered mantle due to in situ intense alteration. The weathered zone includes a thick argillaceous laterite greater than 100 m thick. The U content and 324U/238U activity ratio were measured in the groundwater samples and in spoil samples of a borehole drilled in the ore body. Some possible mechanisms related to the mobilization of uranium are considered such as complexation with humic substances and adsorption by clays. © 1989.en
dc.format.extent155-168-
dc.language.isoeng-
dc.sourceScopus-
dc.subjectThorium Deposits--Brazil-
dc.subjectUranium Compounds--Solubility-
dc.subjectArgillaceous Laterite-
dc.subjectHigh-Grade Thorium-
dc.subjectSubsurface Flow-
dc.subjectWeathering Processes-
dc.subjectWater, Underground-
dc.subjectadsorption by clay-
dc.subjectaquifer system-
dc.subjectcomplexation with humic substance-
dc.subjectdissolved uranium-
dc.subjectgroundwater-
dc.subjectgroundwater quality-
dc.subjectthorium deposit-
dc.subjecturanium isotope-
dc.subjecturanium mobilization-
dc.subjecturanium-234/uranium-238 activity ratio-
dc.subjectweathered zone-
dc.subjectBrazil, Minas Gerais State, Pocos de Caldas Plateau, Morro do Ferro-
dc.subjectBrazil, Pacos de Caldes Plateau, Morro de Ferro-
dc.titleThe behavior of dissolved uranium in groundwaters of the Morro do Ferro thorium deposit, Brazilen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationDepartamento de Física Instituto de Geociências e Ciências Exactas UNESP, Rio Claro, São Paulo-
dc.description.affiliationUnespDepartamento de Física Instituto de Geociências e Ciências Exactas UNESP, Rio Claro, São Paulo-
dc.identifier.doi10.1016/0022-1694(89)90056-5-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Hydrology-
dc.identifier.scopus2-s2.0-0024475789-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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