Small Mining Operations
Ask The Experts
June 2016 by Chris Ralph
Q: How do I improve my small-scale mining operation’s gold production?The Summer of ‘81
When it was all setup and running, you had everything coming off the dredge riffles into the boil box. At the hole section, some of the water got sucked down and pulled a lot of black sand and over heavies…
How to Field Evaluate A Placer Property
If there is misleading wording anywhere, it will be in the sample data and in reserve/resource estimates.
Wyoming's Billion Dollar Nugget—The Trilogy Ends
The next hurdle to jump was whether the trommel motor would start again after sitting on the desert for six years without being started. The last time it had taken a three foot pipe wrench to bust it loose.
The Basics of Crushing and Milling Operations
In processing gold, silver and other valuable ores, the minerals containing the values, such as metallic gold, silver-bearing sulfides or other minerals, must be freed from the surrounding host rock before those valuable minerals can be captured.
Proper Placer Sample Processing
...your sampling procedures should not be designed to catch gold your mining technique will never recover.
The Subsurface Suction Dredge
The problems of the submersible dredge tube are addressed by the subsurface dredge, where the enclosed sluice recovery tube is suspended from a flotation assembly...
Memories of Shirttail Creek, Northern California
…for a few hours, we fervently dug for gold. After we did a cleanup, I couldn’t believe the amount we got.
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