| Key Data |
| Producer of | Copper |
| Location | Northern Chile |
| Ownership | BHP-Billiton (57.5%), Rio Tinto (30%), JECO Corporation (10%), International Finance Corporation (2.5%) |
| Geology type | Copper porphyry deposit with primary sulphides overlain by secondary oxides |
| Mineral type | Primary – chalocopyrite and bornite; Secondary – covellite and chalcocite |
| Reserve base | 3,900Mt proven and probable (2005) |
| Annual production | 87.7Mt of sulphide ore, yielding 1.17Mt of copper, 139,000oz of gold and 5.9Moz of silver (2005/06) |
| Mining method | Open pit |
| Processing method | Sulphide ore – SAG milling and flotation to recover concentrates; Oxide ore – acid leaching and electro-winning to produce copper cathodes |
| Employment | 2,200 |
| Key Equipment |
| Open pit | Bucyrus 495 electric mining shovels |
| | Caterpillar 793B and 973C haul trucks |
| | Komatsu 830E haul trucks |
| | Bucyrus 49-R and 49-RII electric drills |
| | Ingersoll Rand DMM2 diesel-powered drill |
| | Wenco International fleet management system |
| Contractors | Pre-stripping: Cia. Minera del Pacifico |
| | Plant: Fluor Daniel |
| | Pipeline: PSI-JRI Ingenieria |
| | Port: Sandwell |
| | Accommodation: Sabinco |
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