Ask the Experts

June 2014 by Chris Ralph

Ask The Experts

February 2016
How do I extract my gold from this ore?

Ask The Experts: “Energy” coming from black sand?

January 2017

Q: I have a question/request regarding some black sand left from my Dad’s prospecting days.

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February 2013
Q: What should be considered in a Joint Venture on a gold claim?

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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August 2015
Problems finding gold with a detector

Ask the Experts: Set up a small portable operation or send the ore to a custom mill?

March 2012
Q: Set up a small portable operation or send the ore to a custom mill?

Ask The Experts - Do I need something other than a fire assay for PGMs?

February 2019

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The Bawl Mill   • Ask the Experts   • Ask the Experts   • Ask the Experts   • Ask the Experts   • Ask the Experts   • Finding Gold with a VLF Detector—Part III   • Silver and Base Metal Deposits of the Pioche District   • California Dredgers: A Step Closer to Getting Back in the Water   • Arizona's Youngest...and Oldest Prospector   • Exploring Placers with Auger Drills   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Correction   • Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks

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Legislative and Regulatory Update   • A Few Methods for Sampling Hardrock Deposits   • Protecting Our Access to Public Lands