How To
Ask the Experts
January 2015 by Chris Ralph
• How do I get mining claims appraised?Testing Ores for Free Gold
I get a number of questions from people about testing and treating hard rock ores. The simplest way, but also an expensive one, is to just have an assay test done by an independent assay firm. As an alternative...
Piggin' for Gold
Take a look at the picture—it’s pretty simple and you can build it yourself.
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.
The 10-Ton Boulder: Expanding Grout Demolition
Imagine you have located a source of virgin placer ore containing immense gold value. Now imagine that there is a 10-ton monolith of extremely hard gneiss in between you and payday.
New Research Tool for Miners in Wyoming
The Wyoming Geological Survey released an online interactive map...
How to Refine Silver—Pt I
Silver refining has been used from ancient times to change the characteristics of the metal. Early metallurgists refined silver by heating it a couple hundred degrees above its melting point and holding the metal at an elevated temperature for a period of time.
A New Method for Handling Stubborn Gravity Middlings
The solution focused on the relative difference in malleability between gold and waste, rather than the difference in density exploited by gravity circuits.
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