Title: ALGUNS ASPECTOS DA AVALIAÇÃO DE FAVORABILIDADE EM GEOLOGIA EXPLORATÓRIA
Abstract:This paper deals with a method of modeling and estimating the favorability in petroleum and mineral exploration.It discusses natural systems analyses, deposit modeling and geomathematical techniques.T...This paper deals with a method of modeling and estimating the favorability in petroleum and mineral exploration.It discusses natural systems analyses, deposit modeling and geomathematical techniques.The basic methodology consists in weighting the diagnostic variables of mineralization and accumulation processes, in order to characterize the necessity and sufficiency of these variables to deposit prediction.The available geological, geochemical and geophysical data are spatially integrated in the selected area, in order to establish the importance of ali variables.Exploration data are integrated in a raster form, using simple geocoded information procedures, according two methods of statistical analysis, a conditional probability approach and a multivariate (principal components) analysis.The modeling and complementary procedures are demonstrated in the Recôncavo Basin, Northeast Brazil, for petroleum, and in the Itaiacoca Formation of Ribeira Belt, Southeast Brazil, for Pb-Zn deposits.Read More