FRC states Copperstone Gold Mine has a 12+ year mine life FRC states Copperstone Gold Mine has a 12+ year mine life on page 3 near the bottom
12 years x 40,000 au oz annual production = 480,000 au oz
https://mcusercontent.com/089745f1fc8715ebd47da6563/files/37d8298f-c6a1-d7f2-b70a-4951716de00e/Sabre_Feb_2022_Update.pdf
480,000 au oz X $1,900 gold price = $ 912,000,000
$ 912,000,000-$500,000,000 all in costs etc.
Profit about a very conservative $412,000,000 from Copperstone alone...