Ask The Experts
Ask The Experts—Inconsistent fire assays
November 2011 by Chris Ralph
Q: ...He consistently comes up with values much higher on the same ore samples.Ask the Experts
Q: A few questions about diamonds...
Ask the Experts
Centrifugal bowls versus jigs
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Where to process high grade gold ore containing sulfides?
Ask The Experts: Equipment to break up heavy clay
Q: I am looking for a “trommel machine” that doesn’t separate anything but clay slurry from rock hard clay.
Ask The Experts - A few questions about 'peak gold'
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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