1. Geological Mapping Department, Geological Survey of Brazil, CPRM-SUREG-MA, Manaus, Brazil
2. Geology Postgraduate Program – Institute of Geosciences, CPMTC-IGC, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
3. Geological Mapping Department, Geological Survey of Brazil, CPRM-ERJ, Rio de Janeiro, Brazil