1. Graduate Program of Geology and Geochemistry; Federal University of Pará; Belém Brazil
2. Federal Institute of Pará; Belém Brazil
3. CENA/ C Laboratory; University of São Paulo; São Paulo Brazil
4. National Space Research Institute (INPE); São José dos Campos; Brazil
5. CENA/Stable Isotopes Laboratory; University of São Paulo; Piracicaba São Paulo
6. Physics Department; LAC-UFF AMS Laboratory-Fluminense Federal University; Rio de Janeiro Brazil