Are you referring to the Bougainville copper mine?
Frieda River and Star Mountain are HIG's main projects..but the Nickel is also quite valuable.
I believe Evans & Partners value HIG at $1.20 on Frieda River alone.
I think PNG doing its best to create an 'economically' suitable outcome ...Chinese-owned Ramu Nickel mine and well-advanced plans for the world's first seafloor mining (see below).