Geological and geophysical data integration for delimitation of mineralized areas in a supergene manganese deposits

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dc.contributor.authorMoreira, Cesar Augusto [UNESP]
dc.contributor.authorBorges, Mario Rezende [UNESP]
dc.contributor.authorLira Vieira, Glauber Matheus [UNESP]
dc.contributor.authorMalagutti Filho, Walter [UNESP]
dc.contributor.authorFernendes Montanheiro, Mariana Aparecida [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-12-03T13:11:51Z
dc.date.available2014-12-03T13:11:51Z
dc.date.issued2014-04-01
dc.description.abstractGeophysical methods are widely used in mineral exploration. This paper discusses the results of geological and geophysical studies in supergene manganese deposits of southern Brazil. Mineralized zones as described in geological surveys were characterized as of low resistivity (20 Omega.m) and high chargeability (30ms), pattern found also in oxides and sulfite mineral deposits. Pseudo-3D modeling of geophysical data allowed mapping at several depths. A relationship between high chargeability and low resistivity may define a pattern for high grade gonditic manganese ore. Large areas of high chargeability and high resistivity may result in accumulation of manganese and iron hydroxides, due to weathering of the gonditic ore, dissolution, percolation and precipitation.en
dc.description.affiliationUniv Estadual Paulista, Dept Geol Aplicada, Inst Geociencias & Ciencias Exatas, Rio Claro, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Inst Geociencias & Ciencias Exatas, Rio Claro, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Geol Aplicada, Inst Geociencias & Ciencias Exatas, Rio Claro, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Geociencias & Ciencias Exatas, Rio Claro, SP, Brazil
dc.format.extent201-212
dc.identifierhttp://www.geofisica.unam.mx/unid_apoyo/editorial/publicaciones/investigacion/geofisica_internacional/anteriores/2014/02/7_moreira.pdf
dc.identifier.citationGeofisica Internacional. Mexico: Inst Geophysics Unam, v. 53, n. 2, p. 201-212, 2014.
dc.identifier.fileWOS000333731400007.pdf
dc.identifier.issn0016-7169
dc.identifier.lattes9155072634416061
dc.identifier.lattes9086857312391080
dc.identifier.orcid0000-0002-6949-6679
dc.identifier.urihttp://hdl.handle.net/11449/113660
dc.identifier.wosWOS:000333731400007
dc.language.isoeng
dc.publisherInst Geophysics Unam
dc.relation.ispartofGeofisica Internacional
dc.relation.ispartofjcr0.633
dc.relation.ispartofsjr0,312
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectdepositen
dc.subjectmanganeseen
dc.subjectsupergenicen
dc.subjectelectrical resistivityen
dc.subjectchargeabilityen
dc.titleGeological and geophysical data integration for delimitation of mineralized areas in a supergene manganese depositsen
dc.typeArtigo
dcterms.rightsHolderInst Geophysics Unam
unesp.author.lattes9155072634416061
unesp.author.lattes9086857312391080[1]
unesp.author.orcid0000-0002-6949-6679[1]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Geociências e Ciências Exatas, Rio Claropt

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Artigos - Geologia Aplicada - IGCE