First Quantum Minerals Ltd. - Our Operations - Operating ...
The actual cut-off grade for the estimate varies due to variable processing recovery, but otherwise reflects a longer-term consensus copper price of $3.00/lb, a molybdenum price of $13.50/lb, a gold price of $1,200/oz and a silver price of $16.00/oz. As at the end of December 2020, the mine life is 34 years.