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How to Utilize Assays and Evaluate Results

Assay furnace - photo courtesy Inspectorate AmericaAsk the lab manager how your ores will be tested, and ask to see the equipment that will be used. If you are told it’s a secret that can’t be explained, you need another assayer.

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Prospecting With Limited Equipment


There are situations where small-scale miners cannot use dredges or high bankers. This is when it’s time to join the ranks of the old timers and their use of hand methods. Back when a gold pan, pick and shovel and sluice or rocker box were the...

Looking Back


Excerpts from California Mining Journal, our original title, published 50 years ago this month.

AZ Miners and Minerals Department Threatened with Elimination


Once again, the Arizona Department of Mines and Mineral Resources (ADMMR) is being threatened with elimination.

Highbanking and the House Rock


I hit bedrock at two feet and followed it down as it appeared that I was on the edge of a rib that ran with the river. This was beginning to look very promising and I was seeing some small gold—pieces and flakes—in the header of my sluice box.

Melman on Gold & Silver


Few non-Presidential elections have been as eagerly anticipated as the one just completed in early November and, if change was what you wanted, massive change is what you received.

The Downieville Gold District


Many locals are just waiting for California to allow dredging once more, especially with the current gold prices. There are still plenty of good opportunities for prospectors in this area, just as it has been for so many years.

Detecting at the Sixteen to One Mine


A while back I was given a very special opportunity to take my metal detector to one of the most famous gold mines in all of California, the Original Sixteen to One mine in Alleghany.

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