Plumbogummite Group from Brazil
Brazil | |
| Waber, N., Schorscher, H. D., & Peters, T. (1992). Hydrothermal and supergene uranium mineralization at the Osamu Utsumi mine, Poços de Caldas, Minas Gerais, Brazil. Journal of Geochemical Exploration, 45(1-3), 53-112. |
| Aguila Resources |