Ask The Experts
Ask the Experts
March 2014 by Chris Ralph
Gold out of auqa regiaAsk The Experts: Equipment to break up heavy clay
Q: I am looking for a “trommel machine” that doesn’t separate anything but clay slurry from rock hard clay.
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Q: Can you please tell me about diamond fluorescense?
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Why are there no maps of the so-called mining districts?
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