A stamp mill was a mechanical crusher, noisy, heavy and somewhat awkward to operate. the stamps were heavy metal weights that were lifted and dropped on the ore by a crankshaft. the crushed ore would then be further refined, usually by a mercury or cyanide process. the miner would bring the ore to the mill and load it into the ore.Alibaba.com offers 988 gold ore hammer mill for sale in south africa products. about 16% of these are crusher, 0% are other mining machines, and 1% are mine mill. a wide variety of gold ore hammer mill for sale in south africa options are available to.