With 17% of the world's proven petroleum reserves, the kingdom is seeking to explore what it calls a vast, new, and largely untapped minerals super-region stretching from Africa to Central Asia.

Production from state-owned giant Codelco fell 5.8% on a yearly basis to 135,800 tonnes.

"Massive regulatory overreach."

The EPA issued a formal recommendation Thursday to bar the disposal of mining waste in Bristol Bay, which hosts the world’s largest harvest of sockeye salmon.

Chile is the top copper producer in the world, with 27% of global copper production.

Jetti has the technology to extract more copper from low-grade resources and produce metal with a low carbon footprint.

The rise of artisanal copper mining is threatening billions in new investments by mining companies in Peru.