Ask the Experts
August 2014 by Randy SmithCentrifugal bowls versus jigs
There is a major change coming in the economy of the world and now is the time for prospectors and miners to grab a ticket and get on board.
Over the years, I've noticed a pattern in the type of rocks associated with the best gold deposits in Midwestern glacial gravel.
One of his friends had 700 feet of small-gauge mine track and a hundred-year-old track bender laying out in his back 40; plus he also wanted to join the team. Perfect.
• Making a noisy dredge more quiet
The Gold Eye placer claims, located in the La Cholla district of Arizona, are still producing some beautiful gold. From the days of the Spanish explorers and Mexican miners, men have tunneled into the earth in search of gold in this area.
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
There is reason to believe these stream valleys are still rich with gold, silver and copper.
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