Prospecting & Detecting
Rediscovering Placerville, California
February 2011 by Don Robinson
Several areas came to mind, but each was eliminated for one reason or another. One that seemed to be hanging on was the old historic mining town called Placerville.
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Designing my own dredge...
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...
Detectors: Past, Present and Future
Detectors were invented long before I was born, but it was in the 1960s when they started to become an item popular enough to power a fledgling industry. The key development was miniature transistor technology replacing the old fashioned tube technology of the 1950s, making lightweight, affordable detectors possible.
Beach Mining for Placer Gold
What I saw was a beach area that was just completely covered in black sand. Rubbing my hands close together like a kid in a candy store, I could not wait to get set up.
Drywashing in Black Canyon, Arizona
May 2016After the hike and a quick snack break we gathered a few buckets of material to really dial in the drywasher for the most efficient recovery. This involves leveling the unit, setting the riffle box drop angle and regulating the speed in which the material is processed.
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• Drones for the independent prospector
A Long Dry Spell
Just three weeks ago one of our prospecting team members decided to go back to this location on his own. He had a new detector and wanted to try it out some.
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The Bawl Mill
• Our Readers Say
• The Basics of Crushing and Milling Operations
• Ask The Experts—What minerals are magnetic? Can rare earth magnets capture platinum?
• Ask The Experts—Jet nozzle or suction nozzle? Which is best for my highbanker?
• Ask The Experts—Precious metals in water?
• Eastern Arizona: Gold and Base Metal Deposits—Part I
• Over The Divide—Daryl J. Nelson
• Legislative and Regulatory Update
• Cyanide-Free Gold Separation
• Mining Stock Quotes & Mineral and Metal Prices
• Melman on Gold & Silver
