How To
Hand Panning Micro-Fine Gold
May 2017 by Keith Bowen
Once you get down to the black sands or a few tablespoons of material, the technique changes dramatically.
How to Refine Silver—Pt II
Silver recovery from low-level solutions is frequently done in a cell that has a cathode with 2 to 5 or more times the surface area as the anode.
Ask the Experts
Bismuth oxide for assaying?
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• How do I separate silver from lead ore?
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How do I set up a small placer operation?
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Ore testing and other advice for starting up a mining operation.
How to Make a Rock Sled for Dredging
When my “anonymous” friend told me the rock tub was probably a hundred miles from where he safely stashed it, I decided to build another sled and improve on my old design.
Using Countercurrent Material Flow to Improve Gold Recovery Efficiency
There is a material processing principle widely used in large milling operations to improve recovery that is poorly understood by most of the micro-mining and prospecting community...
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• Legislative and Regulatory Update
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• Shaker Tables for Processing Hard Rock Ores
• Becoming a Successful Detectorist
• Sampling, Hydro-Shocking & Cleaning Quartz-Gold Specimens
• My Lucky Thirteen Nuggets
• Crushing, Grinding and Pulverizing
• A Break in the Weather
• From the Editor
• Prospecting Knowledge -- Pass It On!
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Over The Divide: Miles John Mitchell
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