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Prospecting & Detecting

It Pays to Know Your Bedrock

On our last trip, we brought ropes and went down the first waterfall forty vertical feet, only to be confronted by a second, sixty-foot-high, overhanging waterfall that emptied into a slot canyon.

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Ask The Experts


• Making a noisy dredge more quiet

Silverton's Gold


Within this area, about two million ounces of gold and fifty million ounces of silver have been mined. Faults, dikes, veins and fissures that carry the ore form a concentric radial pattern—like spokes on a wagon wheel—around the caldera core.

Sulfides and Intergrain Gold Wire Nuggets


...these nuggets have not traveled far from the lode because the golden wire lattices would have been torn apart or flattened during weathering of rock and deposition by violent stream action.

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.

This is Why You Check Your Tailings


The nugget was cast aside with larger rocks during the screening process, but it was found later by an employee...

Old Mine Sites and New Technology


We’ve had two trips to the deserts of Nevada and explored mines and mill sites, hiked miles of ravines in California, and swung our detector coils over thousands of square yards of bedrock.

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Over the Divide: Nancy Glenn; Sondra (Adelson) Bernzweig

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