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Small Mining Operations

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.

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Additional articles that might interest you...

Gold in Guyana—Part I: Porknocking on the Puruni River Road


In part one of this two-part series on gold in Guyana, I describe artisanal mining efforts currently winning alluvial gold from small-scale placer operations located along the lower Puruni River and its tributaries.

Practical Advice for Milling Hard Rock Ores


The problem is that extracting gold from hard rock is often a lot more difficult than processing placer gravels. Still, there is some very high-grade ore out there in many old mining areas.

Nome Offshore Dredging Creates Challenges


The Alaska state government has been trying to keep up with and maybe even stay on top of the situation by studying the problems associated with rapid growth and how to solve them.

The Basics of Permitting and Bonding Your Mining Operation


With the recent surge of interest in gold projects, it’s about time to revisit a subject that strikes fear into the hearts of small-scale miners: Permits.

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.

The Mysterious Telluride Minerals


…let’s dive in and take a closer look at these rich gold and silver-bearing minerals to find out what they are, where they form, and how to identify them.

Legislative and Regulatory Update


  • NEPA comments due
  • Update on latest US Supreme Court suction gold dredging appeal
  • Washington State tries to restrict suction gold dredging

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Detectors: Past, Present and Future   • Mining Districts: A Short Review of Legal Authorities

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