Small Mining Operations
Lode or Placer: What Difference Does It Make?
September 2014 by Keith Bowen
This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.
Underground in the Original 16-1 Mine
These days they employ the use of metal detectors and carefully scan the shattered rocks, hoping to hear that sound we detectorists love to hear.
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.
Libby, Montana Prospectors Keep Tradition Alive
Located 23 miles south of Libby, the land surrounding the Libby Creek area has been of interest to prospectors since the early 1860s, when it was home to up to 600 miners working at a camp known as Libbysville.
Trip to “The Swamp” on Behalf of Small Miners
Besides the EPA issue, our major priority is to work on the proposed amendment to the National Strategic and Critical Minerals Production Act (S 145), a bill proposed in the Senate by US Senator Dean Heller (R-Nevada).
The Challenge of Winter Dredging
Dredges actually do pretty well in freezing conditions. There are a few tips you should know, however.
Excavator Testing Wet Placer Ground
The excavator or backhoe has become the tool of choice for testing placer ground. These machines are the best way to explore and sample a placer deposit if the ground is not too wet or frozen and bedrock is not beyond the reach of the machine.
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• Taking on the EPA, Sasquatch, Ratchilla and Gold Dredging
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• Designing and Evaluating Placer Gold Recovery Plants
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• This is Why You Check Your Tailings
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