Which Specific Gravity Test Works Best?

August 2011 by Matt Fabian

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October 2014
• Sweep speed and sensitivity settings for a GPX-4500

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April 2016
• Reason for adits rather than shafts?

The Portable XRF Gun

November 2012
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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March 2013
Q: A few questions about claim markers, gold hunter test kits, and videos....

Ask The Experts - What are these thin brittle sheets with reddish powder?

August 2018

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September 2016
• Is there a standard contract for placer mining to use with a private property owner?

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November 2012
Where to process high grade gold ore containing sulfides?

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