2 1° sericite, argillic, Chl-Ser host rock 3 1° qtz-ser, propylitic, biot, K intrusive 4 1° qtz-ser, propylitic, biot, K host rock 5 2° sericite, argillic, Chl-Ser intr.+host ... • Operate the mine to keep the SAG mills full. • A grinding geometallurgy database allows mine planners to schedule more ore to the mill. –Do not plan a ...Web