The carbonate replacement deposit was intermittently mined for high-grade silver, gold, lead, zinc and copper sulphides until 1985, when the mine closed leaving faces in massive sulphide.
Newcrest’s ongoing drilling campaign at the Havieron deposit identified a new breccia zone open at depth and which continues to expand with further drilling.
Freeport's iconic open cut mine in Indonesia is going underground – nearly doubling copper and gold production and earning $8 billion per year in the process.
The miner expects headline loss per share for the year ended June 30, to be between 139 and 169 cents, compared to earnings of 204 cents per share reported in 2019.