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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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Trying Out the New Highbanker


The 2011 gold season had finally got underway on the Middle Fork of the Feather River near Quincy, California. Cold weather and high water had pushed gold mining into mid-summer, but things were looking up.

Finding Gold With A Simple Sluice Box


…the sluice is a normal first step up from a gold pan for many prospectors. They are simple to use, easily portable, can capture a lot of gold, and can process gravel 10 to 20 times faster than a person can pan…

Detecting Clay Seams


Because the old timers were so good at locating the better paying deposits—most of them along clay seams in this particular area—it makes good sense to try and locate these clay lines at old mining sites.

Jim Madden's Gold


Maybe we could find a few pieces of ore from that tunnel? It was worth a try. The old timers didn’t have that stamp mill for looks, so we set off to get some samples.

How to Stay Safe While Prospecting


Nikko’s Nuggets: How A Tech Guy Finds A Steady Supply Of Gold!


Detectors: Past, Present and Future


Detectors were invented long before I was born, but it was in the 1960s when they started to become an item popular enough to power a fledgling industry. The key development was miniature transistor technology replacing the old fashioned tube technology of the 1950s, making lightweight, affordable detectors possible.

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