Kennecott, in Utah, produced 82,100 tonnes of refined copper in the first half of 2021.

Stausholm hinted that changes were possible to the mine's design plan that might make it palatable to Native Americans.

Sunday’s accident at the Sudbury mine is particularly jarring for a company still trying to reinvent itself as a responsible corporate citizen.

Any credible prognosis shows that copper faces a structural deficit of 5-7 million tonnes starting in the next 3 or 4 years, Hudbay CFO says.

By using an X-ray transmission sensor, 16% of the low-grade and waste material is removed.

The company is currently figuring out ways to extract up to ten so-called critical minerals from copper waste at its mining facility in Utah.

Prices for the bellwether commodity this year will average more than $4 a pound, said Diego Hernandez, head of Chilean mining society Sonami.

PNR was awarded an exclusive right to undertake six months of due diligence on BCL, placed under liquidation in 2016.