Antucoya is a 70%-owned conventional open-pit copper mine in the María Elena commune of Chile's Antofagasta Region. Oxide ore is heap leached and processed by solvent extraction-electrowinning to produce copper cathodes using seawater. At 31 December 2025 it contained 1,062.3 Mt of oxide Mineral Resources grading 0.28% Cu, including 711.5 Mt of Ore Reserves grading 0.30% Cu. The reported operating lifecycle extends to 2045. Antucoya produced 81.2 kt of copper in 2025, and studies and drilling are evaluating the underlying primary sulphide mineralisation.
- Country
- Chile
- Commodity
- Cu
- Stage
- Production