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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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Ask the Experts


• Drones for the independent prospector

Mud Men: Pocket Miners of Southwest Oregon Part II


How many more clays seams lie adjacent to known shear zones and quartz veins in the pocket areas of southwestern Oregon?

Selectable Frequency vs Multi Frequency Detectors


I like to think in terms of “conductive mass” because it is a combination of both the conductivity of the metal and the size of the target that determine how a detector sees conductivity.

The Art of Underwater Nugget Shooting


There is a surprising amount of detectable gold under the water’s surface. The right tools make it much easier to find, and with a little patience and practice you can take advantage of this underappreciated bonanza.

Fall Drywashing—Just the Right Time of Year


I could see lots of quartz, both loose on the hillsides and in the numerous small prospect diggings. There was a small gold rush here more than a century ago.

Montana Gold and Sapphires Revisited


I had a chance to visit the operation in person and talk with Neal. I was very impressed and I think our readers could learn a lot about building up a commercial placer operation from scratch…

Research and Fieldwork Yield Some Promising Gold


A week later, a small team of us hit it again, and this time the gold really showed up.

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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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