The miner is reviewing all options on its 53.83% stake in Bougainville Copper, the operator of its Paguna mine, which has a potential gold and copper resource worth over $60 billion.
The proposed mine straddles the West Australian and Northern Territory border on the Browns Range Dome and is expected to produce 279,000 kg of dysprosium a year over its 10-year mine life.
The 18 cases will be sent to U.S. District Judge Valerie Caproni in Manhattan, who has already been overseeing a putative class-action against the five banks that make up the fix.
