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Peru | |
| Bussell, M.A., Alpers, C.N., Petersen, U., Shepherd, T.J., Bermudez, C., Baxter, A.N. (1990) The Ag-Mn-Pb-Zn vein, replacement, and skarn deposits of Uchucchacua, Peru studies of structure, mineralogy, metal zoning, Sr isotopes, and fluid inclusions. Economic Geology: 85(7): 1348–1383. |
| Sangameshwar, S. R., & Barnes, H. L. (1983). Supergene processes in zinc-lead-silver sulfide ores in carbonates. Economic Geology, 78(7), 1379-1397. |