Small Mining Operations
Where To Spend Money To Increase Value
January 2024 by Michael Howard
Detector Brings New Life to An Old Lode Mine
…it was immediately evident the previous owner had not been using a detector. During just a few months of working the dumps part-time, he recovered gold in quartz specimens valued in excess of $40,000.
Designing and Evaluating Placer Gold Recovery Plants
For this article, I am focusing on industrial production plants that can handle 10 cubic yards per hour or more and would be fed by a loader or other heavy equipment...
Resurrecting An Old Hard Rock Mine
There were nice sections of vein material at the end of several drifts, like they just stopped work one day and walked away.
Crystallized Gold Mines of California
Gold specimens that include visible crystal formations are among the rarest, most attractive and most valuable forms of gold to be found.
Principles of Designing Your Mill Production System, Part II: Mill Design
Starting small with quick profitability gives you a lot of financial elbow room plus real-world experience that can be used for final mill design.
A Test Grid Dredged for Gold Values
The evaluation must also consider the gold fineness or purity. The purity of the Sugardaddy nuggets is estimated at 850 fineness, meaning 85% is gold (Au), 12% is silver (Ag) with 3% being other gangue alloyed metal.
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Blue Collar Prospector Goes Big In Eldorado County!
• Understanding Rocks Can Help You Prospect And Detect Successfully
• You Really Can Teach Old Dogs New Tricks ~
• Locating Gold In Ancient Streambed Material
• How To Find Your First Piece Of Gold With A Metal Detector
Free:
The Bawl Mill
• Legislation and Regulation
• PLP Update
