Boliden Ltd Zinc, Copper, Lead and Silver Mine

The Los Frailes open-pit mine. Los Frailes has a design capacity of 125,000t/y of zinc, 48,000t/y of lead, 4,700t/y of copper and 90.8t/y of silver. Output in both 1998 and 1999 was affected by the mine’s suspension, but had reached around 90% of design capacity by late 1999.