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Small Mining Operations

The Basics of Crushing and Milling Operations

In processing gold, silver and other valuable ores, the minerals containing the values, such as metallic gold, silver-bearing sulfides or other minerals, must be freed from the surrounding host rock before those valuable minerals can be captured

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Modern Mining Reclamation


A study showed that between 1930 and 1980, only a quarter of one percent of the land in the United States was used in all mining applications combined, including surface mining, tailings disposal, underground mines, and all mineral processing facilities.

Ask the Experts


Ore testing and other advice for starting up a mining operation.

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.

Hard Work Pays Off On Hard Rock


They worked their plan, bit by bit, and sure enough, after the blast, gold was detected… Over two pounds of beautiful crystalline gold was recovered in that stretch!

PLP and MMAC Update


Care and Lubrication of a Model 13 Laboratory Wilfley Table


A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size.  For this reason, I took a good look at each of the samples.

Underground Mining: Stoping Methods


In an old mine that does not have stopes, you know the old miners did not take much if any ore out of that excavation. On the other hand, if you see large stopes within the mine you know that it is these places where the miners found profitable ore deposits within the vein.

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The Bawl Mill   • Our Readers Say   • 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?   • Rediscovering Placerville, California   • 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

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Mud Men: Pocket Miners of Southwest Oregon—Part I

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