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.
What Do You Need For A Successful Micro-Scale Mine?
For simplicity, I will assume that you wish to make enough profit so that you can comfortably pay your bills using just the profits from the mine.
Good Assays and Bad
The high prices for gold and silver are exciting and certainly have revolutionized the prospecting and mining scene. New interest in gold and silver mining is springing up from every corner, from individual prospectors armed with gold pans to exploration and mining companies working to set up multimillion dollar commercial operations producing hundreds of thousands of ounces per year. The idea of getting riches from rocks is one that motivates a lot of folks all over the globe. It’s an exciting time, but this excitement brings out another side...
Customizing Your Dredge
I am going to suggest dozens of ways you can increase suction power, dredge to greater depths, and improve recovery methods in your sluice box.
Wyoming's Billion Dollar Nugget—The Trilogy Ends
With eight loads processed, a pumpkin-size rock fell into the hopper, stopping the whole operation until I could lift it out.
21st Century American Gold Rush: Rare Earth Elements
The burning question I needed answered was why didn’t the deposit ever get mined of at least one of the valuable minerals? A couple of reasons have come to light.
Ask the Experts
Setting up a gravity dredge
How Rich Must My Ore Be?
How rich does a hard rock ore have to be for it to be worthwhile to process and extract the gold?
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