Prospecting & Detecting
Using Countercurrent Material Flow to Improve Gold Recovery Efficiency
December 2020 by Keith Bowen
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...
Hard Rock Milling: A Matter of Scale
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
Breaking Rock the Old School Way
Prospectors have many reasons why they might want to break rocks. These include dividing up a specimen too large to carry.
Mining Claims: Breaking All The Commandments
So, I took the plunge. I decided on the maximum I would pay for the claim, then placed my bid. A day later I received a congratulations e-mail that I was the high bidder, and oh, by the way, send us your money.
Alaskan Gold Adventure
In Chicken I had my first experience with the famous Alaska blue clay, sometimes called the blue layer. The blue layer is where the best fine gold was to be found.
Companion Gold
Easing around the bedrock ledges and rock hopping, Terry and I came out into the open and were looking at a nice run of bedrock.
Pros and Cons of Big Detector Coils
Years later I returned with a new detector with a smaller coil and detector technology more sensitive to smaller nuggets. I found my first nugget within five minutes. I had a second five minutes after that.
Chasing Those Crumbs
March 2023
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• Ask The Experts - Do larger detector coils see deeper nuggets?
• Reading A River: Understanding Erosion and Gold
• The Basics of Permitting and Bonding Your Mining Operation
• Plotting and Persistence Lead to Big Gold
• Gold Prospecting for Better or Worse: The First Year Is The Hardest
• Mining In The El Paso Range of Southern California
• Tips and Tricks: A Dredging Tip for Clearing the Tailings Pile
• The Kern River
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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