1. Department of Geology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
2. Department of Petrology and Geotectonic, Federal Rural University of Rio de Janeiro (DPG/UFRRJ), Seropédica, Brazil
3. Leopoldo Américo Miguez de Mello Research Center (CENPES/PETROBRAS), Rio de Janeiro, Brazil