Prospecting & Detecting
Ask the Experts
March 2014 by Chris Ralph
NOI or POO for small backhoeWeathering, Erosion and Placers
The big interest to prospectors thinking about the effect of erosion is not what might happen long into the future, but what they might find in the rivers later this summer when the water levels go down.
Ask the Experts
Q: Will my detector react to fine gold?
Heavy Glacial Rocks and Gold in the Midwest
Over the years, I've noticed a pattern in the type of rocks associated with the best gold deposits in Midwestern glacial gravel.
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.
Dredging Safety: Don't Ignore The Warning Signs
At first, I tried to shift things around, but then a hand with a rock would appear, so I would stop trying to adjust my gear and grab the rock to keep things moving.
Ask the Experts
• Drones for the independent prospector
Mining for Gemstones and Mineral Specimens
It is better in a gem and mineral mining operation that the driller, blaster and mucker be the same person in order to be able to predict placement of the desired mineral enriched pockets.
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