ore | mining | BritannicaAug 7, 2009 . An older definition restricted usage of the word ore to metallic mineral . Mining, processing, and refining are thus successive steps in the.ore mining process,The Mining Process – Waihi GoldMining – open pit and underground. To define the ore from the waste rock, samples are taken and assayed. Assay results are used to mark out areas of ore and.
ore mining process