How To
Operation And Application Of Magnetometers
October 2014 by Chris Ralph
The technology used in these devices has advanced greatly in the last century. Many different types of physical effects are used to measure these magnetic fields and we will briefly look at some of these.
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Prospecting for Diamonds
January 2013
Let’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.
Let’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.
Ask The Experts
September 2015
What are the steps for filing a mining claim?
What are the steps for filing a mining claim?
Which Nugget Detector Should I Get?
June 2013
The most commonly asked question in metal detecting is, “Which metal detector should I get?” People worry a lot about not getting the right machine. They do not want to waste their money and their time with the wrong metal detector.
The most commonly asked question in metal detecting is, “Which metal detector should I get?” People worry a lot about not getting the right machine. They do not want to waste their money and their time with the wrong metal detector.
Gold Recovery with Centrifugal Bowls
July 2014
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
A Model Mining Operation
August 2014
After he excavates the ore down to bedrock, he goes over the bedrock with a metal detector to ensure he didn't leave any gold behind before he backfills the area.
After he excavates the ore down to bedrock, he goes over the bedrock with a metal detector to ensure he didn't leave any gold behind before he backfills the area.
A Few Pointers About Cracks and Crevices
October 2013
Because these crevices catch and hold gold so well, it's worthwhile to learn how they form, which ones are good for catching gold and which ones are not.
Because these crevices catch and hold gold so well, it's worthwhile to learn how they form, which ones are good for catching gold and which ones are not.
The Snapshot
November 2015
Once all the numbers from all the samples and water tests are compiled, a snapshot of the performance of each tank in the process circuit can be seen side-by-side.
Once all the numbers from all the samples and water tests are compiled, a snapshot of the performance of each tank in the process circuit can be seen side-by-side.
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The Bawl Mill
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Ganes Creek After The Flood
• A Trip to Morgan-Monroe State Forest of Indiana
• The Pedro Gold Dredge
• Detecting Alone -- What to Look For
• Over the Divide: John A. Miscovich
• What Equipment Do I Need?
• Why Did This Silver Mine Close?
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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• Wake Up Voters! Oregon SB 838 Study Group Update
