Small Mining Operations
Ask the Experts
December 2013 by Chris Ralph
Ore testing and other advice for starting up a mining operation.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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