Ask The Experts
Ask The Experts - How were those gold concentrate bricks made?
July 2018 by Chris Ralph
Ask The Experts: What indicator rocks should I be looking for in northern Nevada?
Q: Can you tell us what the indicator rocks are? I’ve looked at the nearby digs and pushes that were made for gold and it looks like we’re digging on some similar material...
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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Gold in clastic black shale
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Problems finding gold with a detector
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Ore testing and other advice for starting up a mining operation.
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