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Prospecting & Detecting

Study Confirms Mercury Levels Safe in California's Gold Country

While the Water Board documented the selenium levels in fish and noted they exceed the levels of mercury, they have yet to acknowledge the numerous scientific studies that show selenium effectively neutralizes the effects of mercury.

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Drywashing for Desert Gold—Part I


If you have a bad case of gold fever like me, then it’s nice to know that you can get some of that pretty yellow metal almost any time of the year, wet or dry.

Mining Company Pays Millions for Gold Dug From Mine Dumps


Through a program that began in 2011, Barrick Gold Corp.-owned Golden Sunlight has paid out more than $45 million to small miners in the last seven years...

A Gold Mine on a Washington Beach?


Bela and Barbara Kovacs began prospecting for gold about seven years ago as a family orientated outdoors activity. A welder by trade and lured by the simple fact that beach sands can contain small bits of precious metals, Bela decided a few years ago to build a sand sucking contraption that can sift the shoreline for anything worth keeping.

Metal Detector Testing Methods


It will not be any easier than on your table at home, and so testing a very small test target like the ballpoint pen can tell you immediately if a detector is suitable for looking for tiny gold nuggets.

Small-Scale Processing of Hard Rock Ores


Depending on the ore and if significant sulfides are present, a hard rock miner may be able to get away with simply using a flux to digest the other minerals that may be present.

Following Clues to an Old Mill and Vein Strike


My last update on this adventure was in the April 2012 issue and involved our search for the northern extension of the Cedarberg Mine. At that time we had found it and we were in the process of returning for some detecting when Mother Nature struck with a late rain and snow storm.

Critical Minerals: Titanium


The metal is expensive, not because it is rare but because of the expense to produce and work it. The minerals mined for titanium are all oxides, unlike many base metals that are mostly mined as sulfide minerals.

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