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Prospecting & Detecting

All About Trommels and Screens for Placer Gold Recovery

The right speed accumulates only the heavy materials and allows all of the lighter stuff to flow through. This optimum speed is dependent on the size of the gravel you need to move through the system.

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Drywashing for Desert Gold—Part III


If the material drops down out of the hopper too fast, it can overwhelm the riffles and you can blow the gold right out. If it runs too slowly, the riffles can clog up and the process is too slow.

The Mineral Range Districts of Utah


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When we got set up and I started to swing the coil over a small mound, I got a good signal, faint but repeatable.

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Using Countercurrent Material Flow to Improve Gold Recovery Efficiency


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Scams, Scammers and Schemes


Gold mining has received many black eyes from many scams, scammers and schemes throughout the years. Unscrupulous scammers have swindled naive people for millions of dollars in the past and will, no doubt, continue into the future.

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The Bawl Mill   • Legislative and Regulatory Update   • Ask The Experts - How are gold veins formed?   • Ask The Experts - Is there gold in Monterey County, California?   • Ask The Experts - Can you explain NMR and satellite imagery?   • Ask The Experts - What other indicators are there besides red soils?   • Mineralization, Ground Balance and Metal Detecting   • Gold Prospecting for Better or Worse: Warning Signs   • What To Do With All That Gold?   • Proposed 100-Mile Road in the Yentna Mining District   • Judge Orders FBI to Produce Records on Civil War Gold Hunt   • Strategies for Detecting Heavily Pounded Areas—Pt II   • Auburn, California   • Old Water Channels Provide Important Clues   • The Mystery of the Grand Summit Mine   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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