Gold Smelting & Refining Process - Mineral Processing & Extractive .Feb 28, 2016 . Then, we have two smelt and cast the gold into bars called bullion or Dore. . The smelting process involves several operations, retorting, ... Fire Assay Process that has been employed in the mining industry for a long time.gold mining smelting operations,[VIDEO] From Mining to Refinement: How Gold is Made | Operations .Aug 13, 2014 . The production of gold is a lengthy one that involves the process of mining, extracting and smelting. From the moment it's dug out of the ground.
gold mining smelting operations