Small Mining Operations
Sampling for Success—Part I
March 2020 by Chris Ralph
All these decisions and more depend on the richness of a claim—something that is determined by sampling. But sampling isn’t cheap, and even collecting the samples can be more difficult than it appears on the surface.
The Hughes Creek Placers, Montana

The Basics of Froth Flotation

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How do I set up a Miller table?
Evaluating Gold Recovery with Mass Balance Calculations
Whether you are placer or hard rock gold mining, maximizing the efficiency of your recovery process is very important to success, and accurate testing is necessary to do so.
Ophir—Possibly the Best Kept Secret in Alaska—Part II

A New Method for Handling Stubborn Gravity Middlings

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Options for affordable crushers for small mining operations
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