Análise Geofísica Do Complexo Alcalino Do Barreiro – Araxá-Mg

TL;DRAbstract

This paper presents the results of integrated geophysical analysis of the Barreiro carbonatite-alkaline complex. The geological configuration of the complex is studied using radiometric methods and a magnetic susceptibilities and densities subsurface distribution model was compiled from magnetic and gravity data, using geophysical inversion methods. The radionuclides concentrations measured in the surface, are typical features of alkaline-carbonatite complex, and the 3-D model generated is physically and geologically viable, showing strong correlation with the observedgeology, resulting in a maximum contrast of magnetic susceptibility of 0.235 (SI), and densities of 0.45 g / cm ³ .

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