1.1 PHASES OF A MINING PROJECT
2019-2-4 · scale mining projects involve open-pit mining, ... Therefore, the next step in mining is grinding (or milling) the ore and separating the relatively small quantities of metal from the non- ... of beneficiation process, usually used with gold, silver, and copper ores, that merits separateGold processing 101 - Mining Magazine2017-9-7 · Gold/silver base metal concentrate deportment. Smelters typically pay >95% (Au) and 90% (Ag) in copper and lead concentrates, but will only pay 60-70% (maximum, depending on degree of Pb/Zn smelter integration) for gold and silver in zinc concentrates. Cost drivers are also important in flowsheet selection, and are summarised in Table 3.