Prospecting & Detecting
Prospecting Underground: Use Caution
April 2011 by Don Robinson
In underground placer work, the contact point of the bedrock tunnel and the gravel is a very weak point and always has to be timbered. The bedrock here is thin, fractured, and the gravels loose from many years of oxidizing.Guinea Africa: Gold, Ebola, and A Monkey Barbecue
Doubters be informed, yes, there is gold in Africa—lots of gold—and all the good and bad that comes with it.
Underground in the Original 16-1 Mine
These days they employ the use of metal detectors and carefully scan the shattered rocks, hoping to hear that sound we detectorists love to hear.
Using A Blasting Machine in Rock Breaking
Whatever system you plan to use will require a way to safely initiate the explosives from a distance. In this article, we’re going to learn the basics of electric blasting and get a hands-on example…
How to Research Prospecting Locations and Mining Claims
If you are interested in researching mining claims for any purpose, you will first have to decipher the BLM’s LR2000, a Rube Goldberg database seemingly designed by a 1980s Soviet-era computer hacker.
Persistence Leads to Over a Pound of Gold
I have figured out over the years that the winning combination is hard work, persistence, knowledge, and a little luck. This leads me to describe one of my best finds ever, a “honey hole” of placer gold, if you will.
Ask The Experts
• Making a noisy dredge more quiet
Drywashing Arizona Gold
His findings were not exaggerated—after running 82 buckets of gravels in two days we had a remarkable 27.8 grams of gold!
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• Mud Men: Pocket Miners of Southwest Oregon Part III
• Legislative and Regulatory Update
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• Silver Mining Returning to Texas
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