Ask The Experts

August 2015 by Chris Ralph

Ask the Experts

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

Ask The Experts

November 2015
• When geologists and old-timers have conflicting views.

Ask the Experts

June 2014
• How many parts per million make a project viable?

Ask The Experts—Iridium

December 2010
Q: I believe I have found a deposit that contains iridium. What can you tell me about iridium? Are there any tests I can do in the field to confirm it is iridium? How much is iridium worth? Where can I get it assayed? Can I refine it myself?

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

December 2013
Market for scheelite concentrates?

Ask The Experts - Sampling and assays

May 2019

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