Gibbsite from Ecuador
Ecuador | |
| Stoops, G. (2013) A micromorphological evaluation of pedogenesis on Isla Santa Cruz (Galápagos). Spanish Journal of Soil Science, 3(2). |
| Singer, D.A., Berger, V.I., Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. Open-File Report 2008-1155 |