Ask The Experts
Ask The Experts - Sampling and assays
May 2019 by Chris Ralph
Ask The Experts - Were there insufficient values to continue mining at this site?
Were there insufficient values to continue mining at this site?
Ask the Experts
NOI or POO for small backhoe
Ask the Experts
• Gold in West Virginia?
Ask the Experts
• Reopening closed areas
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.
Ask The Experts: How do I identify gold in hard rock that may be mixed with other metals?
Q: Aside from the softness scratch test and other methods of identification, what feedback would you have on identifying gold in hard rock that may be mixed with other metals that affect its color?
Ask The Experts: Can a long range locator probe detect gold in quartz?
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.
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