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.

 

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