More than 3,000 unionized workers at the world's top copper producer's sprawling Chuquicamata copper mine walked off the job last week.

The key milestone for Cobre Panama comes at a time when the market is in need of high concentrate volumes, due to recent supply disruptions,

Mopani could not immediately say what impact the shutdown would have on production, which totalled 119,000 tonnes of finished copper in 2018.

Chilean authorities found alive one of three Bolivian miners trapped beneath the rubble at a small copper mine early on Saturday, while another was found dead.

About 3,200 unionized workers at Codelco’s Chuquicamata copper mine in Chile downed tools on Friday after failing to reach a deal with the company.

According to documents released late Thursday, EPA staff scientists voiced their concerns about key permits for the NorthMet project issued by the Minnesota Pollution Control Agency (MPCA) in late 2018.

As part of the PEA, the miner is re-evaluating the Alacrán mineral resource estimate.

According to the Tsilhqot’in, the provincial permit allows Taseko to clear 76 kilometres of new or modified road and trail, and drill up to 122 test holes near the Fish Lake area.