Santo Domingo

Proposed open-pit copper-iron-gold development project comprising the Santo Domingo and Iris Norte pits. Located 5 km southeast of Diego de Almagro in Region III, accessed via the paved Pan-American Highway. Property covers 29,221 ha across 119 claims. Iron Oxide Copper Gold (IOCG) deposit hosted in the Cretaceous Iron Belt of the Atacama fault zone. Acquired by Capstone in 2011; updated feasibility study completed in 2024. Planned 65,000 to 72,000 tpd processing facility featuring autogenous grinding, copper rougher flotation, and magnetic separation to produce copper and magnetite concentrates. Orion Resource Partners agreed to acquire a 25% interest pending a final investment decision.