mineral processing ball mill gold ore. mineral processing equipment manufacturers ball mills . the malaysia gold mineral processing plant was a symbol of chine-malaysia cooperation in the mining industry under the policy of the belt and road. the raw ore consisted of pyrite, quartz, calcite and mica, with gold being the valuable mineral. get price,gold processing 101 mining magazine,sep 07, 2017 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.