How To
Ask The Experts: Equipment to break up heavy clay
January 2017 by Chris Ralph
Q: I am looking for a “trommel machine” that doesn’t separate anything but clay slurry from rock hard clay.
Volume is the Key to Success
While recovery rates are important, they must necessarily be secondary to the volume of material processed. Running more material at lower recovery rates is generally preferable to increasing the efficiency of the system.
Care and Lubrication of a Model 13 Laboratory Wilfley Table

Fine Gold Panning Without Using Mercury
The technique I will describe is a much safer alternative and it works. It’s a fine-gold panning technique that eliminates the need for mercury amalgamation of most placer samples.
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Breaking cemented gravels
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Alternative Gold Leaching Methods

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