Freeport agreed in August to divest a 51% stake in Grasberg to local interests in return for full operational control until 2041 plus fiscal and legal guarantees, but a final deal has still to be reached.
Roy Cimatu, who replaced ousted ecologist Regina Lopez in May, has said he would review evidence brought forward by mining companies and communities before deciding whether to keep, modify, or reverse his predecessor's measures.
A global energy transition is underway, with lithium-ion as one of the leading energy storage technologies for both handheld technology and electric cars.