According to the Chilean Copper Commission (Cochilco), production at Chile's largest copper mines was uneven in September, dragged down by the weak performance of state-owned mining. According to Cochilco, production at Codelco fell 5.3% year-on-year to 116,700 metric tonnes. Meanwhile, the Escondida mine, controlled by BHP, saw production increase by 25.5%, while the Collahuasi mine, […]