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dc.contributor.authorAmaral, Pedro Augusto Costa do-
dc.contributor.authorBorges, Welitom Rodrigues-
dc.contributor.authorToledo, Catarina Labouré Bemfica-
dc.contributor.authorSilva, Adalene Moreira-
dc.contributor.authorGodoy, Hygor Viana de-
dc.contributor.authorSantos, Marcelo Henrique Leão-
dc.date.accessioned2024-03-26T11:56:02Z-
dc.date.available2024-03-26T11:56:02Z-
dc.date.issued2023-11-24-
dc.identifier.citationAMARAL, Pedro Augusto Costa do et al. Electrical prospecting of gold mineralization in exhalites of the digo-digo VMS occurrence, central Brazil. Minerals, [S.l], v. 13, n. 12, 24 nov 2023. DOI: https://doi.org/10.3390/min13121483. Disponível em: https://www.mdpi.com/2075-163X/13/12/1483. Acesso em: 23 março 2024.pt_BR
dc.identifier.urihttp://repositorio2.unb.br/jspui/handle/10482/48034-
dc.language.isoengpt_BR
dc.publisherMDPIpt_BR
dc.rightsAcesso Abertopt_BR
dc.titleElectrical prospecting of gold mineralization in exhalites of the digo-digo VMS occurrence, central Brazilpt_BR
dc.typeArtigopt_BR
dc.subject.keywordOuro - minas e mineraçãopt_BR
dc.subject.keywordOuro - prospecçãopt_BR
dc.rights.license© 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).pt_BR
dc.identifier.doihttps://doi.org/10.3390/min13121483pt_BR
dc.description.abstract1The greenstone belts of the Crixás-Goiás Domain are economically important due to significant epigenetic gold deposits and the potential for under-researched syngenetic deposits. The gold occurrences associated with the volcanogenic massive sulfide (VMS) deposits in the region are documented only in the volcanoclastic rocks of the Digo-Digo Formation, Serra de Santa Rita greenstone belt. The objective of this work is to discuss the efficiency of the induced polarization methods in the time and frequency domains for differentiating and identifying potentially mineralized zones in the exhalites associated with the VMS-type gold of the Digo-Digo Formation. Data were acquired using a multielectrode resistivity meter with the dipole–dipole array and 10 m spacing between electrodes, as well as different current injection times (250, 1000, and 2000 ms). After the electrical data processing and inversion, the sections were integrated into ternary red-green-blue and cyan-magenta-yellow models to highlight areas of high chargeability, low resistivity, and high metal factor (frequency domain) and, thus, map the higher potential zones to host polarizable metallic minerals. The geological–geophysical model elaborated from the correlation of electrical and surface geological data allowed us to identify four anomalous areas related to potential mineralized zones. The geological data confirm that two targets are associated with the geological contacts between metamafic and intermediate metavolcanic units and the exhalative horizon. One of the targets coincides with a sulfide-rich exhalative horizon (VMS), while the last target occurs in the occurrence area of metaultramafic rocks, where gold mineralization occurrences have not been previously described, being a promising target for future investigations.pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-5158-1947pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-6290-2374pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-2173-4885pt_BR
dc.contributor.affiliationUniversity of Brasilia (UnB), Darcy Ribeiro Campus, Institute of Geosciencespt_BR
dc.contributor.affiliationUniversity of Brasilia (UnB), Darcy Ribeiro Campus, Institute of Geosciencespt_BR
dc.contributor.affiliationUniversity of Brasilia (UnB), Darcy Ribeiro Campus, Institute of Geosciencespt_BR
dc.contributor.affiliationUniversity of Brasilia (UnB), Darcy Ribeiro Campus, Institute of Geosciencespt_BR
dc.contributor.affiliationUniversity of Brasilia (UnB), Darcy Ribeiro Campus, Institute of Geosciencespt_BR
dc.contributor.affiliationUniversity of Brasilia (UnB), Faculty of Planaltinapt_BR
dc.description.unidadeInstituto de Geociências (IG)pt_BR
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