Ask The Experts
September 2015 by Chris RalphOre processing in California?
• How small should I crush my hard rock ore?
How do sluicing and drywashing compare in effciency?
Q: Aside from the softness scratch test and other methods of identification, what feedback would you have on identifying gold in hard rock that may be mixed with other metals that affect its color?
Would you explain the difference between a Geiger counter and a scintillator and how they operate in uranium prospecting?
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