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dc.contributor.authorBatista, J. J.-
dc.contributor.authorLandim, P. M B-
dc.contributor.authorSturaro, J. R.-
dc.contributor.authorBonfim, S. L.-
dc.date.accessioned2014-05-27T05:13:09Z-
dc.date.accessioned2016-10-25T18:12:17Z-
dc.date.available2014-05-27T05:13:09Z-
dc.date.available2016-10-25T18:12:17Z-
dc.date.issued1988-12-01-
dc.identifier.citationGeociencas, v. 7, p. 77-93.-
dc.identifier.urihttp://hdl.handle.net/11449/63880-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/63880-
dc.description.abstractThis paper deals with an integrated study concerning the evaluation of the coal deposit at Cerquilho (Sao Paulo State) in the upper part of the Tubarao Group. Palaeogeographical studies from other authors describe the genesis of these deposits as a deltaic system overlapped by a marine transgressive sequence. The study applied four methods for ore reserve estimation (isolines, blocks, polygones and triangles), besides statistical and geostatistical methodology. The technological characterization assays suggest the application for the coal in cement and ceramics industries. The applied methodology showed reserves estimated around 1 400 000 ton. The isolines method tend to underestimate the amount of coal, on the other hand, the kriging method shows a tendency to overestimate the results. The data from the polygonal method are closest to mean values. For the thickness estimation the results close to the mean values are those from the isolines. -after English summaryen
dc.format.extent77-93-
dc.language.isoeng-
dc.sourceScopus-
dc.subjectcoal reserve estimation-
dc.subjectgeostatistics-
dc.subjectquantitative method-
dc.subjectTubarao Group-
dc.subjectBrazil, Sao Paulo, Cerquilho-
dc.titleAbordagem quantitativa na avaliacao do deposito de carvao de cerquilho - SPpt
dc.title.alternativeQuantitative approach in evaluating the coal deposit at Cerquilho SPen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofGeociencas-
dc.identifier.scopus2-s2.0-0024264341-
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