Rio Tinto’s Nuton, Arizona Sonoran Copper ink joint venture option on Cactus project
Rio Tinto invested C$30.5 million for a 7.4% stake last year in the project.
Workers at Antofagasta copper mine approve contract offer, averting strike
The nearly 400 employees represented by the union rejected an…
Glencore’s prized Canadian coal mines come with rising environmental scrutiny
Ottawa and Washington are close to requesting a study of…
South32 yet to invoke force majeure in Colombia
At Cerro Matoso, members of two communities have blocked access…
Codelco chairman still sees lithium agreement with SQM by year-end
Codelco was tasked by President Gabriel Boric in April to…
