Ask The Experts - Should I be focusing on uranium and thorium?

April 2019 by Chris Ralph

Ask The Experts

July 2015
Q: Is there a correlation between fault zones and mineralization of economic metals?

Ask The Experts

May 2016

• Any suggestions about gold panning in Oregon?

Ask The Experts - What does a prospector look for when seeking ores?

May 2020

Ask The Experts - Is this gold?

September 2017

Ask The Experts - How much silver per ton does it take to make a mine profitable?

June 2020

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.

Ask The Experts - Can you recommend settings for a Gold Bug 2 in Vermont?

May 2021

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