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

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Additional articles that might interest you...

Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks


I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.

Heavy Glacial Rocks and Gold in the Midwest


Over the years, I've noticed a pattern in the type of rocks associated with the best gold deposits in Midwestern glacial gravel.

Small-Scale Processing of Hard Rock Ores


Depending on the ore and if significant sulfides are present, a hard rock miner may be able to get away with simply using a flux to digest the other minerals that may be present.

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.

Ask the Experts


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

Ask the Experts


Setting up a gravity dredge

Mining on the Comstock Lode


Even with the decades of mining and exploration, much of the Comstock is still underdeveloped and its potential not fully tapped.

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