All mining of primary tungsten ore is hard rock mining, a process comprising various sequential tungsten minerals govern the design of appropriate beneficiation flow sheets. .. A special type of shaking table are flotation tables, usually used to .. fluorite content or deposits where the scheelite contains a high powellite.
Apr 11, 2017 . Table of Contents . Preparation by ore dressing includes the concentration of the valuable minerals within a smaller bulk than that of the Shaking tables are of several types, but all operate on the same basic principle.