Ask the Experts
April 2014 by Chris RalphBuying a turquoise claim
Q: Can a voltmeter be used to determine the type of metal/mineral present in soil?
Q: I was wondering how such a device could locate a rich gold vein in quartz, for example, since a metal like gold is non-magnetic.
• Is there a standard contract for placer mining to use with a private property owner?
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