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The Snapshot

Once all the numbers from all the samples and water tests are compiled, a snapshot of the performance of each tank in the process circuit can be seen side-by-side.

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Pocket Gold


Once a seam is found it can be traced for miles in either direction. While you are tracing a clay line, you are looking for indicators. The indicators that I look for are ironstone, hematite, different color clays intermingled with the clay line, and a very iron-rich, brown gritty soil.

Lode or Placer: What Difference Does It Make?


This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.

Using Google Earth and Other Maps


Last month, one of our readers requested an article regarding the possible use of Google Earth for prospecting research. It was a good idea, so here it is.

Customizing Your Dredge


I am going to suggest dozens of ways you can increase suction power, dredge to greater depths, and improve recovery methods in your sluice box.

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.

How to Refine Silver—Pt II


Silver recovery from low-level solutions is frequently done in a cell that has a cathode with 2 to 5 or more times the surface area as the anode.

Ask the Experts


How do I set up a small placer operation?

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