Ask The Experts
Ask The Experts
May 2015 by Chris Ralph
What type of sluice box for my trommel?The Portable XRF Gun
While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.
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Ask The Experts: What indicator rocks should I be looking for in northern Nevada?
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Ask the Experts: More suggestions for dealing with metallic trash....
Q: Thanks for the great article in the recent ICMJ [“Metallic Trash—Scourge of the Prospector,” July 2012]...
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Q: I’m working with some folks who have a large amount of old placer concentrates stored on their recently purchased property.
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