Protests near China Minmetals' Las Bambas copper mine enter a third week even as the government tries to negotiate a truce with local communities.
The big boys in the iron ore sector appear to have given up chasing tonnage and are instead working to protect their margins amid falling demand and prices.
Ecometales plans to operate a plant to treat the arsenic-rich copper in concentrates from Codelco's northern operations.
Murilo Ferreira, CEO of the Brazilian iron ore giant, is optimistic about the economic outlook for Asia, which is a large consumer of iron ore.
The Esperanza gold-silver project promises attractive economics, but it must overcome political obstacles and compete with Alamos Gold's other development priorities to get the green light.
The US$8.3bn China Minmetals copper mine may have to halt shipments if protests continue, the company says.
El Brocal, Buenaventura's zinc-lead unit, takes advantage of improved metals prices to boost sales and reduce its third quarter losses.
The commodities giant lowers full-year iron ore production guidance as it reports a drop in attributable copper production from the Escondida copper mine in Chile.
Peru's government is seeking to restart talks with protesters blocking a road to the country's biggest mining project, while miner MMG works to continue paving it.