How To
Ask The Experts
December 2014 by Chris Ralph
• Determining the amount of gold in a specimenAsk The Experts
• Making a noisy dredge more quiet
The Importance Of Mining Critical Minerals In The USA
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
Enrichment of Mineral Deposits by Weathering—Part I
The exact minerals formed in the concentrated supergene deposits depends much on the type of country rock around the deposit and the chemistry of the deposit itself, but if conditions are right, this process will form some rich patches of bonanza ore, in some places valued at thousands of dollars to the ton.Using Geologic Publications to Discover Collecting Sites
I understand that a person without geological knowledge could be daunted reading a geological publication. You can pick out the good stuff from a geological publication without a lot of geological knowledge.
Ask the Experts
Bismuth oxide for assaying?
Proper Spacing of Placer Sample Sites
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
What Equipment Do I Need?
Getting started in prospecting often requires the purchase of some equipment, but one can spend as little as $10 and be finding gold or spend thousands and also be finding gold—yet you will probably have many more opportunities and possibilities with more and better equipment.
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