The US-based company expects the ramp up of its San Agustín mine in Mexico to deliver increased output and lower costs in Q4.
Peru's largest locally owned precious metals miner said operations at its biggest silver mine were shut down by community protests.
Sales abroad of manufactured aluminum products, semi-manufactured iron and steel products and ferroalloys also performed well in the period.
The latest news from junior mining companies active in Latin America.
Peru's only tin miner benefited from rising prices of the metal in the third quarter and asset shedding to offset falling production.
BNamericas takes a look at Yamana, the third biggest gold miner in Latin America, and its operations in the region.
China's proposed cuts to capacity during the winter months will probably lead to lower output and lower demand for iron ore, Capital Economics' chief commodities economist Caroline Bain tells BNamericas.