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December 2014 by Chris Ralph
• Determining the amount of gold in a specimenEnrichment 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.Buying a Mining Claim: Questions to Ask
At one time or another, many miners will look seriously at purchasing a mining claim...Usually it’s a significant financial commitment, so how do you know if you are getting a good deal?
Cyanide-Free Gold Separation
Some ores—mostly those with a high free gold content—are very amenable to gravity concentration. Well oxidized ores containing coarse gold are usually best for non-cyanide processes. Ores with significant sulfide content may require the...
Speed Prospecting for Hard Rock Gold
An online video gave me some ideas, and with a lot of trial and error I developed a reliable method of panning free gold particles down below 35 microns quickly and easily.
Which Nugget Detector Should I Get?
The most commonly asked question in metal detecting is, “Which metal detector should I get?” People worry a lot about not getting the right machine. They do not want to waste their money and their time with the wrong metal detector.
The Snapshot
Once all the numbers from all the samples and water tests are compiled, a snapshot of the performance of each tank in the process circuit can be seen side-by-side.
Ask the Experts
Questions regarding patented and unpatented mining claims and the legal rights surrounding them.
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• 2014 Index - Annual Tables of Content
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