Small Mining Operations
Gold Recovery with Centrifugal Bowls
July 2014 by Chris Ralph

Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board
Federal and state regulatory agencies often cite mercury and methyl mercury in our waterways as a major factor for further restrictions on placer mining, and on suction gold dredge mining, in particular. However, these regulatory agencies are minimizing selenium and its neutralizing effects.
Understanding Rock Formations: Petrology for Prospectors
There are times when being able to recognize a type of rock can make you a much more successful prospector.
Heavy Glacial Rocks and Gold in the Midwest

Mining Company Pays Millions for Gold Dug From Mine Dumps
Through a program that began in 2011, Barrick Gold Corp.-owned Golden Sunlight has paid out more than $45 million to small miners in the last seven years...
A Third Generation Small-Scale Hardrock Revival
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.
Resurrecting An Old Hard Rock Mine
There were nice sections of vein material at the end of several drifts, like they just stopped work one day and walked away.
Underground Mining: Getting the Ore Out

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