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Timing and mechanisms for the generation and modification of the anomalous topography of the Borborema Province, northeastern Brazil

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Academic year: 2018

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Fig. 1. Simplified geological framework of the Borborema Province, northeastern Brazil: (1) Cenozoic covers; (2) Cenozoic volcanics (3) Phanerozoic basins; (4) Early Cretaceous Tholeiitic Dike Swarm (5) Precambrian crystalline rocks; (6) Sa˜o Francisco crat
Fig. 4. Timing relationships between the main Phanerozoic tectono-thermal processes in the eastern Borborema Province, northeastern Brazil, compared to the onset of the cooling events identified by AFTA
Fig. 8. Measured single grain FT ages in sample RD57-36 plotted against the chlorine content (Cl) of each grain
Fig. 9. Fission-track ages determined for each of the 14 basement samples collected in and around Borborema Plateau
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