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Mineralogical and geochemical characterization of surface soils and waste piles collected in the Preguiça-Vila Ruiva mining area

2025-04Journal article Open access
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datacite.subject.fosCiências Naturais::Ciências da Terra e do Ambiente
dc.contributor.authorAndré da Silva Costa, Óscar Filipe
dc.contributor.authorReis, Amelia
dc.contributor.authorNogueira, Pedro
dc.contributor.authorSimões, Pedro Pimenta
dc.contributor.authorKumoleha, A.
dc.date.accessioned2025-06-27T10:46:31Z
dc.date.available2025-06-27T10:46:31Z
dc.date.issued2025-04
dc.description.abstractABSTRACT: The Preguiça and Vila Ruiva mines, located in the Ossa Morena Zone, Beja district, were explored for Fe-Zn-Pb in the early and mid-20th century. This study aims to reassess their mining potential by creating geochemical maps using modern exploration techniques combined with petrographic and mineralogical analyses. These maps resulted from field measurements obtained by portable X-ray fluorescence (XRF-P) equipment. The geochemical mapping shows that the Zn, Pb, and Fe anomalies correspond to the waste rock piles presenting, however, variations in their spatial distribution. Spatially concordant anomalies of Fe, Co, Cr, and V were detected in the soil NW of the Preguiça mine.eng
dc.description.abstractRESUMO: As minas da Preguiça e Vila Ruiva, localizadas na Zona de Ossa Morena, distrito de Beja, foram exploradas pelo seu conteúdo em Fe-Zn-Pb no ínicio e meados do século XX. Este estudo tem como objetivo reavaliar o seu potencial mineiro através da criação de mapas geoquímicos com o auxílio a técnicas modernas de prospeção, complementados com análises petrográficas e mineralógicas. Estes mapas foram gerados com medições obtidas por equipamento portátil de fluorescência de raios-X. A cartografia geoquímica mostra que as anomalias em Zn, Pb, e Fe correspondem às escombreiras das minas apresentando, no entanto, variações na sua distribuição espacial. Foram detadas anomalias espacialmente concordoantes de Fe, Co, Cr, e V a NW da mina da Preguiça.por
dc.identifier.citationCosta, O., Reis, P.M., Nogueira, P., Simões, P. & Kumoleha, A. (2025). Mineralogical and geochemical characterization of surface soils and waste piles collected in the Preguiça-Vila Ruiva mining area. In: Comunicações Geológicas, 2025, vol. 112, Fascículo Especial I, pp. 345-349. https://doi.org/10.34637/s2yj-7g39
dc.identifier.doi10.34637/s2yj-7g39
dc.identifier.eissn1647-581X
dc.identifier.issn0873-948X
dc.identifier.urihttp://hdl.handle.net/10400.9/5884
dc.language.isoeng
dc.peerreviewedyes
dc.publisherLNEG - Laboratório Nacional de Energia e Geologia
dc.relationINSTITUTE OF EARTH SCIENCES
dc.relation.hasversionhttps://www.lneg.pt/wp-content/uploads/2025/04/68_Costa-et-al.pdf
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectPreguiça
dc.subjectVila Ruiva
dc.subjectX-ray fluorescence
dc.subjectMetadolomites
dc.subjectSupergene deposits
dc.subjectFluorescência de raio-X
dc.subjectMetadolomias
dc.subjectDepósitos supergénicos
dc.titleMineralogical and geochemical characterization of surface soils and waste piles collected in the Preguiça-Vila Ruiva mining areaeng
dc.title.alternativeCaracterização mineralógica e geoquímica de solos superficiais e escombreiras coletados na zona mineira Preguiça-Vila Ruivapor
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleINSTITUTE OF EARTH SCIENCES
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04683%2F2020/PT
oaire.citation.endPage349
oaire.citation.issueEspecial I
oaire.citation.startPage345
oaire.citation.titleComunicações Geológicas
oaire.citation.volume112
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameAndré da Silva Costa
person.familyNameReis
person.familyNameNogueira
person.familyNameSimões
person.givenNameÓscar Filipe
person.givenNameAmelia
person.givenNamePedro
person.givenNamePedro Pimenta
person.identifier.ciencia-id141D-B380-BCA7
person.identifier.orcid0009-0008-5523-7028
person.identifier.orcid0000-0003-0922-8290
person.identifier.orcid0000-0002-6162-0030
person.identifier.orcid0000-0001-7992-318X
person.identifier.ridI-9678-2017
person.identifier.scopus-author-id12793083600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
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Volume 112 (2025) Fascículo Especial I - XI Congresso Nacional de Geologia