• Extracting Gold from Rock - PBS

    Extracting Gold from Rock by Mike Leahy. ... and the sulfides of other metals. Since we need to separate the gold from the rest of the stuff in the rock, ...

  • Gold parting - Wikipedia

    Nov 04, 2009· How do you separate gold from the metals it is made with and or overlays like jewelry contacts tin copper etc? HELP How do you separate gold …

  • Liquation - Wikipedia

    The material must be heated until one of the metals starts to melt and drain away from the other and can ... was discovered that could separate the two metals. ...