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Colombia | |
| Benjamin LeRoy Miller, Joseph Theophilus Singewald (1924) The mineral deposits of South America. McGraw Hill 598pp |
| Akasaka, Masahide (2007): Silver-bearing and associated minerals in El Zancudo deposit, Antioquia, Colombia. Resource Geology 57, 386-399. Hernández, Alba Nury Gallego |
| Publications of the Field Columbian Museum Geological Series Vol 1 1895-1902 pp 121-177 |
| Benjamin LeRoy Miller, Joseph Theophilus Singewald (1924) The mineral deposits of South America. McGraw Hill 598pp 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 |
| Benjamin LeRoy Miller, Joseph Theophilus Singewald (1924) The mineral deposits of South America. McGraw Hill 598pp |
- Norte de Santander Department
| Publications of the Field Columbian Museum Geological Series Vol 1 1895-1902 pp 121-177 |
| Garcia Ramirez, C. A., & Uribe Portilla, E. (2006). Geological and Mineralogical Characterization of La Tosca Deposit (Vetas, Santander, Colombia): Implications for Mineral Processing of Gold-silver Ores. Boletin DE Geologia, 28(2), 63-76. |