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dc.contributor.authorAmarante, Flávio Azevedo Nevespt_BR
dc.contributor.authorRolo, Roberto Mentzingenpt_BR
dc.contributor.authorCosta, Joao Felipe Coimbra Leitept_BR
dc.date.accessioned2021-12-09T04:35:54Zpt_BR
dc.date.issued2019pt_BR
dc.identifier.issn2448-167Xpt_BR
dc.identifier.urihttp://hdl.handle.net/10183/232736pt_BR
dc.description.abstractEvaluating mineral resources requires the prior delimitation of geologically homogeneous stationary domains. The knowledge about the ore genesis and geological processes involved are translated into three dimensional models, essential for planning the production and decision-making. The mineral industry usually considers grade uncertainty for resource evaluation; however, uncertainty related to the geological boundaries are often neglected. This uncertainty, related to the location of the boundary between distinct geological domains can be one of the major sources of uncertainty in a mineral project, and should be assessed due to its potential impact on the ore tonnage, and consequently, on enterprise profitability. This study aims at presenting three different methodologies capable of generating multiple geomodel realizations and thus, assessing uncertainty. A real dataset with high geological complexity is used to illustrate the methodology. The results are compared to a deterministic model used as a reference scenario.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofREM : international engineering journal. Ouro Preto, MG. Vol. 72, no. 4 (Oct./Dec. 2019), p. 643-653pt_BR
dc.rightsOpen Accessen
dc.subjectGeological modelen
dc.subjectModelo geológicopt_BR
dc.subjectGeoestatísticapt_BR
dc.subjectMultipoint geostatisticsen
dc.subjectImplicit modelingen
dc.subjectIncertezapt_BR
dc.subjectUncertaintyen
dc.titleAssessing geologic model uncertainty : a case study comparing methodspt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb001133791pt_BR
dc.type.originNacionalpt_BR


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