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The granitoids of Marajoara in the Rio Maria terrain (Carajas Mineral Province, Brazil) consist of: (i) a broad unit of 2.96 Ga syntectonic tonalites (Arco Verde Tonalites) displaying a trondhjemitic differentiation trend; (ii) 2.93 Ga syntectonic monzogranites (Guaranta); and (iii) 2.87 Ga post-tectonic monzogranites (Mata Surrao) and granodiorites (Rio Maria), displaying a calc-alkaline differentiation...
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