Ask The Experts
Ask the Experts: various mining courses
August 2012 by Chris Ralph
Q: What classes should one take if planning on majoring in mining engineering or geology?Ask The Experts - Skim Bar Placers article clarification
Ask The Experts
Can a metal detector be used to find limonitic gossan 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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Bismuth oxide for assaying?
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