A ESPECTROMETRIA DE RAIOS GAMA NA PROSPECÇÃO DE SULFETOS EM ROCHAS ALTERADAS HIDROTERMALMENTE

PIETRO GAZZERA MINUCCI

Resumo


Potassium is added in the hydrothermally altered rocks by the percolating solutions, in a sufficient quantity to be detected by surface or aerial spectrometry. The current models for alteration zoning explain the high potassium content. The Gamma-Ray Spectrometry is an useful geophysical method in the aerial exploration for disseminated or massive sulphide deposits of hydrothermal origin, as it was again proved in Camaquã area, South Brazil.


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