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Small Mining Operations

High Sulfidation Epithermal Deposits

They tend to be big, coming in large to extremely large sizes. They can also be amazingly rich and produce huge amounts of very high-grade ore.

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How Rich Must My Ore Be?


How rich does a hard rock ore have to be for it to be worthwhile to process and extract the gold?

The Heavy Minerals in Your Concentrates


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Gold Deposits of Montana


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Using Countercurrent Material Flow to Improve Gold Recovery Efficiency


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Ask the Experts


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

Trip to “The Swamp” on Behalf of Small Miners


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Resurrecting An Old Hard Rock Mine—A Series of Small Victories


…we cheered and high-fived each other as the ore cart slowly crested the top of the headframe, then picked up a bit of speed on the short downhill section and came to an abrupt halt, ejecting its contents of ore…

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The Bawl Mill   • Ask The Experts - Seeking advice on setting up an operation and the agreement with the landowner   • Montana Gold and Sapphires Revisited   • A Third Generation Small-Scale Hardrock Revival   • Gold Prospecting for Better or Worse: Respect the Angle of Repose   • The Summer of ‘81   • The “Chuck It Out” Nugget   • Gold and Silver Deposits of Bodie, California   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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