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Unlocking the Secondary Critical Raw Material Potential of Historical Mine Sites, Lousal Mine, Southern Portugal

2024-02Journal article Open access
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dc.contributor.authorde Oliveira, Daniel Pipa Soares
dc.contributor.authorGonçalves, Pedro
dc.contributor.authorMorais, Igor
dc.contributor.authorSilva, Teresa
dc.contributor.authorMatos, João Xavier
dc.contributor.authorAlbardeiro, Luís
dc.contributor.authorFilipe, Augusto
dc.contributor.authorBatista, Maria Joao
dc.contributor.authorSantos, Sara
dc.contributor.authorFernandes, João
dc.date.accessioned2024-04-17T10:05:57Z
dc.date.available2024-04-17T10:05:57Z
dc.date.issued2024-02
dc.description.abstractABSTRACT: A steady supply of mineral raw materials is vital for the transition to a low-carbon, circular economy. The number of active mines in Europe has severely declined over the last century and half, giving rise to many abandoned mining waste sites and corresponding geological heritage. Also, the rise in minerals demand for large-scale deployment of renewable energy requires the continued and steady availability of key minerals. The supply risk associated with unpredicted geopolitical events needs to be eliminated/mitigated. Historical mine waste sites are the answer but evaluating mine waste is a lengthy and costly exercise. The study, undertaken in the Lousal Mine, used small unmanned aerial systems (sUASs) to model and determine mine waste volumes by generating orthomosaic maps with quick, inexpensive, and reliable results. Calculated mine waste volumes between 308,478 m3 and 322,455 m3 were obtained. XRD and p-XRF techniques determined the mineralogy and chemistry of waste, which varied from mineralization and host rocks with hydrothermal alteration and numerous neogenic sulphates (mostly gypsum, rhomboclase, ferricopiapite, coquimbite, and jarosite) related with supergene processes and weathering. The study shows the viability of using these sUASs to successfully model historical mine waste sites in an initial phase and for future monitoring programs.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationde Oliveira, D., Gonçalves, P., Morais, I., Silva, T.P., Matos, J.X., Albardeiro, L., Filipe, A., Batista, M.J., Santos, S. & Fernandes, J. (2024) Unlocking the Secondary Critical Raw Material Potential of Historical Mine Sites, Lousal Mine, Southern Portugal. In: Minerals, 2024, vol. 14 (2), article nº 127. https://doi.org/10.3390/min14020127pt_PT
dc.identifier.doi10.3390/min14020127pt_PT
dc.identifier.eissn2075-163X
dc.identifier.urihttp://hdl.handle.net/10400.9/4282
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relation.publisherversionhttps://doi.org/10.3390/min14020127pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectMineralogypt_PT
dc.subjectHistorical minept_PT
dc.subjectCritical raw materialspt_PT
dc.subjectWastept_PT
dc.subjectLousal minept_PT
dc.subjectIberian Pyrite Beltpt_PT
dc.subjectPortugalpt_PT
dc.titleUnlocking the Secondary Critical Raw Material Potential of Historical Mine Sites, Lousal Mine, Southern Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleMineralspt_PT
oaire.citation.volume14pt_PT
person.familyNamede Oliveira
person.familyNameGonçalves
person.familyNameMorais
person.familyNameSilva
person.familyNameXavier Matos
person.familyNameAlbardeiro
person.familyNameFilipe
person.familyNameBatista
person.familyNameSantos
person.givenNameDaniel Pipa Soares
person.givenNamePedro
person.givenNameIgor
person.givenNameTeresa
person.givenNameJoão Manuel
person.givenNameLuís
person.givenNameAugusto
person.givenNameMaria Joao
person.givenNameSara
person.identifier2216267
person.identifier92033
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person.identifier.ciencia-idE316-BB16-D850
person.identifier.ciencia-idC01A-B2B1-C2D0
person.identifier.orcid0000-0002-6338-8845
person.identifier.orcid0000-0002-6556-6086
person.identifier.orcid0000-0001-9806-7139
person.identifier.orcid0000-0002-0306-1015
person.identifier.orcid0000-0002-6108-1030
person.identifier.orcid0000-0002-3826-260X
person.identifier.orcid0000-0003-1081-0456
person.identifier.orcid0000-0003-0197-1004
person.identifier.orcid0000-0002-7626-1990
person.identifier.ridL-9359-2013
person.identifier.ridAGY-5000-2022
person.identifier.scopus-author-id7005481948
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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