removing gold from rock

  • How to Melt Gold Out of Rocks Sciencing

    How to Melt Gold Out of Rocks By Chris Deziel; Updated March 13, 2018 You can't actually melt gold from rocks; if you hold a rock over a flame hot enough to melt gold and expect the gold to dribble out, you're going to be disappointed.

  • Extracting Gold HowStuffWorks

    Removing the gold-bearing rock from the ground is just the first step. To isolate pure gold, mining companies use a complex extraction process. The first step in this process is breaking down large chunks of rock into smaller pieces. At a mill, large machines known as crushers reduce the ore to ...

  • Gold mining Wikipedia

    Gold mining is the resource extraction of gold by mining.. As of 2016, the world's largest gold producer was China with 463.7 tonnes.The second-largest producer, Australia, mined 287.3 tonnes in ...