### Hardinge Conical Mill Capacity

Apr 10, ore from mill bin. gangue, quartz and basalt. 4.5 ft. by 13 in. ball mill, capacity, 48 tons per 24 hr. ... sept. 8, . vieille montagne zinc co., cumberland, england. zinc-lead ore. gangue, siliceous limestone. 8 ft. by 22 in. pebble mill. capacity, 120 tons per 24 hr. charge, 3 tons of pebbles. ... apparently the ball mill does more work.Apr 27, when grinding the average lead and zinc ore to minus 48 or 65 mesh, the lead mineral particles overflowing the classifier will, for the most part, be all minus 200 mesh. this is due to the difference in gravity between galena (sg 7.4 – 7.6) and the gangue (quartz sp. gr. 2.65, calcite.