Siderite from North Andes plate
Colombia | |
| Publications of the Field Columbian Museum Geological Series Vol 1 1895-1902 pp 121-177 |
| Publications of the Field Columbian Museum Geological Series Vol 1 1895-1902 pp 121-177 |
| Publications of the Field Columbian Museum Geological Series Vol 1 1895-1902 pp 121-177 |
| Saenz, L. D. (2005): PETROGRAFÍA Y GEOTERMOMETRÍA DE LOS YACIMIENTOS DE ESMERALDA DE PEÑA BLANCA (SAN PABLO DE BORBUR, BOYACÁ, COLOMBIA) |
| Andres Gonzalez Duran Collection |
| Econ Geol (2004) 99:1197-1213 |
Ecuador | |
| Alejandro Felix Gutierrez |
C.V. Hormigones, La Germania, Pascuales, Guayaquil, Guayaquil Canton, Guayas Province, Ecuador