Pyrargyrite 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 |
| Publications of the Field Columbian Museum Geological Series Vol 1 1895-1902 pp 121-177 |