Abstract:ABSTRACT. Aerial gamma-ray survey data covering Neoproterozoic supracrustal sequences in the Seridó Belt were processed and analyzed together with ground gamma-ray data, air photos and geological data for lithogeophysical characterization and mapping of granitic rocks, related pegmatites fields and lithological units of Seridó Group. Interpretation was based on individual and ternary images of the three radio-elements and the eU/eTh and eTh/K ratios, and allowed the discovery of thorium anomalies associated wi… Show more
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