Small Mining Operations
The Oregon Claim
December 2010 by Chuck Lassiter
When I started dredging a short distance downstream from that feature I realized that I was into a major paystreak and much of the gold was coming right out of the upper gravel. I could see the chunky pieces falling out of the gravel as they were pulled into...
Excavator Testing Wet Placer Ground
The excavator or backhoe has become the tool of choice for testing placer ground. These machines are the best way to explore and sample a placer deposit if the ground is not too wet or frozen and bedrock is not beyond the reach of the machine.
Gold Recovery with Centrifugal Bowls
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
A Model Mining Operation
After he excavates the ore down to bedrock, he goes over the bedrock with a metal detector to ensure he didn't leave any gold behind before he backfills the area.
A Father’s Day to Remember: 24,000 Ounces Gold in Quartz
Father’s Day in Australia was on September 2, and it’s a day a group of miners from “down under” won’t soon forget.
PLP and MMAC Update
Recovering Fine Gold with Oleophilic Adhesion
Oleophilic means "affinity to or attracted to oils," and this includes gold an diamonds.
Dry Washer, Wet System or Metal Detector?
I love to dry wash old nugget patches found by detector operators, and I have found my fair share of gold dry washing those areas. I have also found a few nuggets using a detector on the bedrock exposed by dry washing the patches.
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• Ask The Experts—Using classifiers
• So, Where's The Gold?—Finding Gold Detectors Miss
• Forest Service v. Michael & Linda Backlund
• Highbanking on the Feather River
• CFTC Finds Evidence of Silver Market Manipulation
• Gold in Arizona
• Detecting for Gold in Australia—The Kimberley Trip
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