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.
Persistence Leads to Over a Pound of Gold
I have figured out over the years that the winning combination is hard work, persistence, knowledge, and a little luck. This leads me to describe one of my best finds ever, a “honey hole” of placer gold, if you will.
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...
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...
The Perfect Summer
Within the first 3 hours he and I had found pocket after pocket of gold and couldn't wait to tell Levi of our treasure.
Shaker Tables for Processing Hard Rock Ores
Most placer equipment is really made with gold in the 30 and larger mesh sizes in mind, though if carefully used can often get reasonable recovery down to the 50 mesh size.
The Batteries Metal Rush
There is a major change coming in the economy of the world and now is the time for prospectors and miners to grab a ticket and get on board.
Bering Sea Gold—Part I
The popularity of the new Discovery Channel series Bering Sea Gold has peaked interest in what gold resources are offshore of Nome, Alaska. The Cape Nome mining district is world famous...
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The Bawl Mill
• Ask the Experts
• Ask the Experts
• Taking on the EPA, Sasquatch, Ratchilla and Gold Dredging
• Gully Prospecting and Mining
• Wilfley Tables—Repair, Rebuild & Set Up
• Designing and Evaluating Placer Gold Recovery Plants
• Finding Streams of Gold
• This is Why You Check Your Tailings
• New Rules to Impact the Lease/Buy Decision
• There's a First Time for Everyone
• Appeals Court OKs Permits for Upper Peninsula Mine
• Melman on Gold & Silver
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