Ask The Experts - Is a detector any good at discriminating pyrite or chalcopyrite in ferrous-reject mode?
May 2020 by Chris Ralph
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.
Q: Can a voltmeter be used to determine the type of metal/mineral present in soil?
Can the public take minerals from a mining claim?
Q: A few questions about claim markers, gold hunter test kits, and videos....
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