Ask The Experts - Can you suggest proper discrimination settings for my detector?
February 2020 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.
How do I set up a Miller table?
Q: Can you tell me if this deposit is worth working? It is a quartz vein and I had it analyzed for gold, copper, rare earths and other metals.
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