The Resolution copper project in Arizona would be a prototype for a looming era of more invasive US mines as companies run out of easy-to-reach deposits.
The miner said it continues to seek a “constructive dialogue” with the country's government to gain assurance that its operations will not be affected by newly enacted mining law.
Democratic Republic of Congo has decided to more than double the size of its planned Inga 3 hydroelectric plant to make it more economical, after the $14 billion project was hit by financing problems.
The agency has proposed revoking its 2014 determination banning any large-scale mine in the area where Pebble would be built on the grounds it would damage the region’s key salmon industry.
Indonesia says it will invite the head of mining giant Freeport McMoRan Inc to Jakarta this month to try to settle a festering dispute over a new deal to operate the world's second-largest copper mine.
