Ask The Experts
Ask the Experts
November 2012 by Chris Ralph
Questions regarding processing black sandsAsk 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.
Ask The Experts: Is this deposit worth working?
Q: Can you tell me if this deposit is worth working? It is a quartz vein and I had it analyzed for gold, copper, rare earths and other metals.
Ask The Experts: Potential for developing magnesite deposit
Q: What I would like to know is how to confirm if it is magnesite and the quality.
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Gold left in Rye Patch by the time I retire?
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• Are these gold amounts large enough to interest a mining company?
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Centrifugal bowls versus jigs
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