The company calls this project one of the world’s largest undeveloped copper projects.

The Saudi hub would service the Middle East, North and East Africa regions.

Chile's state-run copper giant announced the departure of temporary vice president Jose Sanhueza on Tuesday.

The Japanese trading house expects to integrate its refined copper business onto the MineHub platform starting with key customers in the Asian market.

"The US government needs to stop giving lip service to permitting," Richard Adkerson told Reuters.

Northern Dynasty claims it has spent at least $1 billion over two decades in its efforts to develop the project, which was effectively killed.