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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.

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How Far Has That Gold Traveled?


Let’s examine why your placer gold looks the way it does and what you can tell about its journey based upon its appearance.

Advancements in Non-Toxic Gold and Silver Leaching


The non-toxic thiosulfate is actually the medical antidote given to people for cyanide poisoning. By accomplishing both neutralization and metals recovery, this process creates an economic and environmentally attractive process.

Underwater Reclamation


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Secrets of Gold Research and Why You Need It


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Sampling for Success—Part I


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.

Excavator Testing Wet Placer Ground


The excavator or backhoe has become the tool of choice for testing placer ground. These machines are the best way to explore and sample a placer deposit if the ground is not too wet or frozen and bedrock is not beyond the reach of the machine.

Wyoming's Billion Dollar Nugget—The Trilogy Ends


Our testing over the past 15 years was to confirm or deny the USGS report completed in 1978. Besides the half acre test dig, we completed many additional test digs by hand and with the backhoe.

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