LOCATION
Located on the western Andean slopes, in the District of Oyón, Province of Oyón, department of Lima, at an altitude of between 4,500 and 5,000 m.a.s.l.
ACCESS ROUTES
Carretera Lima-Sayan-Churin-Oyón-Uchucchacua.
Carretera Cerro de Pasco-Uchucchacua.
It also has a heliport which can be used in the case of emergencies.
MAIN PRODUCTS (in order or importance):
SILVER
ZINC
LEAD
TYPE OF OPERATION AND MINES
Underground in the Socorro, Carmen and Huantajalla mines.
EXPLOITATION METHOD
Overhand cut and fill due to the irregular distribution of mineralization.
Horizontal drilling with jumbos, upper and jackleg drills.
Controlled blasting.
Excavations are supported using split sets, timbering, shotcrete, falsework, friction jacks, wood packs, anchor bolts and electrowelded mesh.
Scooptrams, 20-ton capacity low profile trucks or battery / trolley locomotives using U 35 Granby mine cars are used to transport mineral.
Hoisting is done through two shafts: Master shaft and Luz shaft
Mine water is drained by gravity through the 4,560 meter long Patón tunnel.
Stope filling: 80% detrital and 20 % hydraulic.
TREATMENT METHOD
The 2,250 DST per day Concentration Plant produces 2 types of concentrates: Ag-Pb concentrate and Zn concentrate.
Crusher (Jaw Crusher).
Three-stage milling process (SAG and two stages of conventional milling).
Differential flotation (Ag-Pb and Zn circuits) and
Filtering (Netzsch filters).
FACILITIES
HEALTH: 1 hospital with an installed capacity of 20 beds for hospitalized patients. EDUCATION: 2 schools: primary and secondary education. ELECTRIC ENERGY: Patón Hydroelectric Power Plant and the Paragsha-Uchucchacua transmission line.
SURROUNDING COMMUNITIES
Rural Peasant Community of Oyón
Rural Peasant Community of San Juan Baños de Rabi
Rural Peasant Community of Chinche Tingo
Rural Peasant Community of San Juan de Yanacocha (Village of Cachipampa)
CERTIFICATIONS AND DATES
ENVIRONMENTAL ADJUSTMENT & MANAGEMENT PROGRAM (PROGRAMA DE ADECUACION AL MEDIO AMBIENTE PAMA) November 8, 2002. ISO 14001: October 2003. NOSA INTEGRATED SYSTEM, GRADUATION TO 4-STARS: April 2004.
