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Aeromagnetic features of the Rio Salitre Greenstone Belt region.

Aeromagnetic features of the Rio Salitre Greenstone Belt region.

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Figure 1: Regional aeromagnetic lineaments over analytic signal map on...
Figure 2: Aeromagnetic features of the Rio Salitre Greenstone Belt region.
Figure 3: Aeromagnetic features of the São Francisco Craton and...
INTEGRATION OF REGIONAL AEROMAGNETIC AND METALLOGENETIC DATA OF NORTHEASTERN BAHIA: STRUCTURAL AND GEOTECTONIC IMPLICATIONS
Conference Paper
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  • Nov 2021
Major mineral deposits occur in the northeastern Bahia State, a region where the main geotectonic events of the São Francisco Craton and its marginal belts are registered. Regional structures and tectonic domains are well-recognized in aerogeophysical maps. This work discusses the influence of the major structures on the metallogeny of the northeas...
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... NW-SE faults and shear zones were the main channels to hydrothermal fluids that enhanced the copper grades in the Curaçá Valley. The Rio Salitre Greenstone Belt (RSGB) displays a dextral sigmoidal shape that hosts pyrite-pyrrhotite deposits in its southern end, where the regional N-S aeromagnetic anomalies can be related to the maficultramafic volcanism of the sequence (Figure 2), which is parallel to the sulfide ore. The northern edge of the RSGB shows a NE-SW main trend related to magnetite-bearing sedimentary rocks and BIFs, intercalated with phosphate-rich carbonate rocks. ...