(PDF) Processing of Magnetite Iron Ores–Comparing Grinding ...
95 per cent minus 500 mesh (32 µm) depending on the ore and ... Magnetite ore is ground using AG mills. ... 0 20 40 60 80 100 120 140 160 180 200. D e l t a N P V R e l a t i v e t o O p t i o n ...