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Prospecting & Detecting

Using Countercurrent Material Flow to Improve Gold Recovery Efficiency

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...

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Additional articles that might interest you...

Following Clues to a Lost Gold Deposit—The Northern Extension of the Cedarberg


Last month, in “Following Clues to a Hidden Gold Deposit,” I ended the article with the direction that we were on the hunt! We were getting prepared and ready to roll with our detectors, then snow came, and lots of it. We had already found the seam diggings mine on the mountainside in wild, rough brush and trees. It had been well hidden.

The Significance of Nuggets in Placers


Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.

Revisiting The Old Mini Patch


Today, the greatest gold rushes occur due to technological advances capable of discovering gold where it once was extremely unlikely or difficult.

Ganes Creek Hits 10 Years—Part I


Find huge gold nuggets with your metal detector! That has been the promise, and for a lucky group of detectorists in the Ganes Creek “Pound Club” the reality of finding gold at Ganes Creek, Alaska.

The Winning Hand


The operation and techniques employed are highly successful in producing free gold with minimal work involved while maintaining an environment protection process through the use of recycled water and a settling pond.

Small-Scale Miners Rock the Mining World


With the high price of gold, there are many new prospectors out in the hills all over the United States, and while we would all prefer to be finding those larger nuggets, it doesn’t always work that way. Sometimes all that is available is nothing more than a few small flakes. The truth is, new prospectors are sprouting up all across the planet—especially in the developing nations.

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...

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The Bawl Mill   • Legislative and Regulatory Update   • Ask The Experts - Is this prospect worth sampling?   • Ask The Experts - Can you recommend resources for southeast Alaska?   • Ask The Experts - Can I pay someone to research a claim for me?   • 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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