Prospecting & Detecting
Southern Oregon's Illinois River—A Lesson in Sharing
November 2013 by Gary C. Earle
Our theory was that a dredge would collect far more material in a shorter period of time, leaving us with ounces of gold every day.Fine Gold Panning Without Using Mercury
The technique I will describe is a much safer alternative and it works. It’s a fine-gold panning technique that eliminates the need for mercury amalgamation of most placer samples.
A Great Day On The Feather River
Mike and Machael dug in just downriver of that boulder pile and right away found good color and a few small pickers.
Getting A Successful Start in Metal Detecting for Gold
Once you have a detector, learn how to use it and get out in the field—you can’t find anything with it in your garage.
Bedrock
I am going to break bedrock down a bit and explain my view of the varying scenarios I come across in the field.
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.
Detecting Canyon Bedrock in The Sierras
My plan was to go up the canyon along a ridge and then drop into the canyon whenever I came across a spot that might give me reasonable access.
Nome Offshore Dredging Creates Challenges
The Alaska state government has been trying to keep up with and maybe even stay on top of the situation by studying the problems associated with rapid growth and how to solve them.
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The Bawl Mill
• Ask the Experts
• One Potato, Two Potato...
• Proper Placer Sample Processing
• Strategic Metals—Part I
• Dry Washing to Capture Fine Gold
• Are There Any Good Prospects Left?
• Ophir—Possibly the Best Kept Secret in Alaska!
• Using Sucker Guns to Find Gold
• Making Adjustments to Catch Fine Gold
• The Subsurface Suction Dredge
• A Few Thoughts About Successful Nugget Hunting
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
