11 % Mining DilutionThis is an incredibly low level of mining dilution .
Waste rock is always part of mining.
Thats the mining dilution .
So, for open pit its drill, blast and truck the demolition products to the mill where they have buyers for the waste rock as fill.
So, no waste rock pile is needed.
They also can recover grades as low as 0.12 gms per ton.
Almost nothing of the mining process is wasted.
Hence very low cash costs..