how gold particles are removed from mixtures of soil,sand ...
Jul 25, 2007· How gold particles are removed from mixtures of soil,sand and gravel? 1 following . 5 answers 5. Report Abuse. ... is bad for the environment and is never used any the gravel is classified down more closely to the size of gold you are recovering. This can be done with a classifier and a gold pan in a tub of water.