Ask The Experts - What are these thin brittle sheets with reddish powder?
August 2018 by Chris Ralph
Gold in clastic black shale
Q: I live near the Gold Basin area of Arizona. What detector will go deep and be easier to use for small gold? I need some help.
Questions regarding processing black sands
Q: Can a voltmeter be used to determine the type of metal/mineral present in soil?
• Should I introduce mercury in the centrifugal bowl to aid gold recovery?
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