Geological and Mining Potential of Ecuador
· Geological and Mining Potential of Ecuador 1. Geological and Mining Potential of Ecuador by: John E. Bolaños ( Geologist,,, Geo) March 2010 Gold Nugget of 300 g, from Rio Blanco, Azuay, Photo: RA Jemielita, 1992 Phreatic volcanic explosion, Pichincha volcano, 1999, Photo: Public Domain Coarse placer gold, Napo River, 1999. Photo: .