Prospecting & Detecting
Study Confirms Mercury Levels Safe in California's Gold Country
July 2013 by Scott Harn
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.This is Why You Check Your Tailings
The nugget was cast aside with larger rocks during the screening process, but it was found later by an employee...
Replacing Your 12-Volt Pump
In the “toolbox” of most every prospector there are certain tools that we tend to use consistently for a variety of reasons. Have you ever noticed that tools and equipment tend to wear out, rust and fall apart whether we use them or not?
Third Largest Nugget in Existence Returns to Dallas
While the bullion value of the nugget is already substantial, the size and rarity of the Ausrox Nugget combine to make its worth invaluable in the collector market.
River Dredging vs. Creek Dredging—Part I
As I started walking down to the river one chilly morning, the mist was hanging over the calm portions of the water like a white cotton blanket. This scene got me to thinking about why the river was like that—the deep pools, boulder fields, gravel bars, the effects of how much water was moving at any given time along the watercourse—and most of all the relationship all these things have on where I will be able to find gold.
Nice Specimen Gold Recovered in Northern California
Each specimen is carefully examined to determine if it would be beneficial or not to use an acid treatment to reveal more of the gold.
Moore Creek, Alaska—Then and Now
The gold was very chunky and much of it had quartz attached. Even back then I knew that the gold was very close to its source.
Putting Together A Small Free Gold Mill—Part II
There are many smaller old hard rock mines out there—more than you might think. There are some small hard rock properties that are even open to be claimed if one does the right amount of research to find them.
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The Bawl Mill
• Ask the Experts
• Ask the Experts
• The Birimian Greenstone Belts of West Africa
• All About Quartz—Part II
• The Pearce Mineralized Area, Dragoon Mountains, Arizona
• An Alaskan in the Lower 48
• Romancing the Rock
• Placer Channel Sampling
• The Oquirrh Mountains, Utah
• Melman on Gold & Silver
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• Record $11 Million Fine for California Mine
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