Métodos elétricos e eletromagnético na avaliação de contaminação no aqüífero cristalino do alto Rio Curaçá por rejeitos de mineração

This work presents the results obtained with electrical and inductive electromagnetic-EM34 methods applied to outline the aquifer structure and its eventual contamination related to wastes from the copper sulfide mining in the Pilar district, Curaçá valley, Bahia. The interpreted results shows the presence of conductive, elongated bodies, that may be related to acid drainage contamination leaking from the disposal lagoon of the liquid effluents from the mineral treatment process.