Ask The Experts - What Do I Look For and How Do I Sample?
April 2018 by Chris Ralph
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.
Q: I’ve thought about renting an XRF gun with gold specific software to use for exploration this spring.
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