| Lat / long: | -13.03113, -74.93299 |
| Primary: | Lead, Silver, Copper, Zinc |
| Discovery year: | 1600 |
| Operation type: | Unknown |
| Deposit type: | VEINS |
| Production size: | Yes |
| Development status: | Producer |
| First production started: | 1959 |
| Structure: | THE OLDEST ROCKS ARE A SEQUENCE OF 500 M OR MORE OF FINE-GRAINED THIN TO THICK-BEDDED GRAY LIMESTONE WITH SUBORDINATE GRAY, GREEN, RED OR BLACK SHALE; YELLOW TO BROWN MUDSTONE & MARL; & A BED 40-60 M THICK, OF GREEN TO REDDISH-GREEN MEDIUM-GRAINED QUARTZITE OVERLAIN BY SHALE & BASALT. THIS SEQUENCE IS OF JURASSIC AGE. THE BEDS ARE FOLDED ASSYMMETRICALLY OR OVERTURNED TO THE NE ALONG AXES TRENDING NNW. THE FOLDS ARE OF PRE-VOLCANIC AGE, AS THE OVERLYING ROCKS, FOR THE MOST PART, ARE ONLY SLIGHTLY FOLDED. IN THE SOUTHERN PART OF THE DISTRICT, BEDS OF TUFFACEOUS LIMESTONE, MARL, SILTSTONE & CHERT INTERBEDDED WITH ANDESITIC VOLCANIC ROCKS, ARE POSSIBLY EQUIVALENT TO THE CASAPALCA FORMATION OR CASAPALCA RED BEDS OF CENTRAL PERU, PRESUMABLY OF EARLY TERTIARY AGE., THE PRINCIPAL STRUCTURAL ELEMENTS OF THE DISTRICT-FOLDS IN THE JURASSIC LIMESTONE, FAULTS ALONG THE LIMESTONE-VOLCANIC CONTACT, AND MAJOR DIKES. |
| Alteration processes: | AT THE CONTACTS OF INTRUSIVE ROCKS, VOLCANICS ARE ONLY SLIGHTLY ALTERED; MAFIC MINERALS ARE CHLORITIZED & FELDSPARS ARE SERICITIZED & SAUSSURITIZED. |
| MRDS | W002239 |
| DEP | 60001609 |
| Reference | {Deposit:: SIMONS, FRANK, 1960, UNPUBLISHED REPORT, P. 1169}{Deposit:: PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969}{Deposit:: LOVEDAY, SANTIAGO, 1905A, LA MINERIA EN EL DEPARTAMENTO DE HUANCAVELICA: SOC. ING. DEL PERU BOL., V. 7, P. 41-44, 49-64.}{Deposit:: DUENAS, ENRIQUE, 1908, FISIONOMIA MINERA DE LAS PROVINCIAS DE TAYACAJA, ANGARAES Y HUANCAVELICA: CUERPO DE ING DE MINAS DEL PERU BOL., NO. 62.}{Deposit:: ENGINEERING AND MINING JOURNAL, 1982, P. 359.}{Deposit:: ENGINEERING AND MINING JOURNAL, 1985, P. 290.}{Deposit:: BIRNIE, R.W., AND PETERSON, U., 1977, THE PARAGENETIC ASSOCIATION AND COMPOSITIONAL ZONING OF LEAD SULFOSALTS AT HUACHOLPA, PERU: ECONOMIC GEOLOGY, V. 72, NO. 7, P. 983-992.}{Deposit:: VALDEZ MUENTE, ARTURO, 1921, IMPORTANCIA DE LA REGION MINERA DE HUACHOCOLPA Y CASTROVIRREYNA EN EL DEPARTAMENTO DE HUANCAVELICA: CONG. NAC. INDUSTRIA MINERA ANALES, V. 2, PT. 3, P. 71-91.}{Deposit:: ENGINEERING MINING JOURNAL: INTERNATIONAL DIRECTORY OF MINING AND MINERAL PROCESSING OPERATIONS, 1972, P. 200 D 7) INTERNAT. DIR. OF MINING AND MINERAL PROCES. OPERAT. 1977} |