SÃO PAULO, Brazil Perus copper, lead and molybdenum output increased year-on-year in May, but its production of zinc, gold, silver and tin fell, according to the countrys energy and mining ministry.
Copper output rose 8.4 percent to 106,953 tonnes in May, mainly due to a 54.7-percent increase in production at Empresa Minera Los Quenuales SA and a 44.4-percent rise at Compañia Minera Antamina SA, both of Lima, Peru.
Lima-based Sociedad Minera El Brocal SAA and Zug, Switzerland-based Xstrata Plcs Tintaya Mine, by contrast, posted decreases in copper output of 76.4 percent and 58.4 percent, respectively.
Lead production volumes rose 2.1 percent on the month to 20,410 tonnes.
The hike was largely due to big jumps in output at Catalina Huanca Sociedad Minera SAC, Compañía de Minas Buenaventura SAA and Empresa Administradora Cerro SAC, all of Lima. However, output at Compañia Minera Santa Luisa SA, also based in Lima, fell 73.9 percent.
Peruvian molybdenum production rose 18.9 percent in May to 1,548 tonnes.
Zinc production dropped 13.7 percent to 104,550 tonnes on a 39.4-percent decrease in Minera Antamina´s production.
Gold output fell 0.6 percent to 14.2 million fine grams.
Silver was down by 1.3 percent to 291,458 fine kilograms.
As for tin, San Isidro-based Minsur SA, the only producer in Peru, saw a 0.5-percent decrease in output to 2,170 tonnes.