Ask The Experts
Ask the Experts
April 2014 by Chris Ralph
Bad advice from Fish & GameAsk The Experts
• Is there a single book that covers most aspects of mining and recovery?
Ask The Experts—Using classifiers
Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.
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Treating ore with a plasma torch or shock waves?
Ask The Experts: How do I identify gold in hard rock that may be mixed with other metals?
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?
Ask The Experts
Gold deposits and outer space
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The Bawl Mill
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