Second tunnel completed 27 years after work was halted on the project by the NDP government.

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."

As part of his efforts to bolster growth in Indonesia, Joko Widodo has placed temporary bans on exports of raw materials like nickel ore.

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.