Ask The Experts
Ask The Experts - Finalizing an agreement with a mining company
March 2019 by Chris Ralph
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 - What is this sample worth?
Ask the Experts
Q: Where is the best place to prospect for gold in Minnesota?
Ask the Experts
• Is this old mining story too good to be true?
Ask The Experts: Sulfides and fluxes
The concentrate is just the heaviest of the heavy minerals but some sulfides are sneaking in there also with the gold...
Ask The Experts - Skim Bar Placers article clarification
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