Ask The Experts
Ask the Experts
March 2013 by Chris Ralph
Q: Where is the best place to prospect for gold in Minnesota?Ask The Experts—Separating platinum from sands using bubbles
I am trying to find any information about using bubbles to separate platinum from sands and small particles. I think it has to have a surfactant in the process. Do you know of this bubble tech?
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Is this a valid claim?
Ask The Experts: Could you expand on your previous blasting article?
Q: Could you write more about the last two methods that you mentioned—the expanding chemical mixtures and the micro blasters, how and when to use them, and when not to use them?
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Setting up a gravity dredge
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Sampling and mining a historic mining claim
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Bad advice from Fish & Game
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