The Vancouver-based company announced that the weighted price of the 'basket' of metals contained in the ore at the Platreef project rose to a new, multi-year high.
The Ventanas smelter has been the target of criticism from social and environmental groups that accuse it of contributing to heavy pollution in the Quintero area.
The continuous protest actions have led Minera Las Bambas to announce that probably “within a week” it will have to halt production at its namesake copper mine.