All Articles
Commercial Placer Mining With Jigs
August 2010 by Chris Ralph
During the upward stroke, water is pushed up through the shot layer causing it to open up and lifting the gravel particles above. The heavier particles settle faster based on Stokes law, and move down into the shot bed layer, while the lighter...
Maine to Create Mineral Park
The Maine Geological Survey is raising money to acquire a cluster of world-famous mines and create the state’s first public mineral park for rockhounds, science teachers and others with an interest in rocks and minerals.
Gleaning for Gold Part 2
September 2022"The practice of gleaning goes back thousands of years"
Melman on Gold & Silver
As we have noted through the years, perhaps the most direct, single influence on the future of gold and silver is their monetary opposite—currencies in general, the US Dollar in particular.
Oregon Miners Update
The Siskiyou Regional Education Project (SREP) v. Siskiyou National Forest case over the requirement for plans of operation for suction dredge mining is now in the hands of the US Ninth Circuit Court of Appeals.
When What You Are Told Becomes Information
Ask The Experts: Sulfides and fluxes
The concentrate is just the heaviest of the heavy minerals but some sulfides are sneaking in there also with the gold...
The Geology of Diamond Deposits
New theories have been developed and they may lead to new discoveries and give prospectors some new insight on where to look for diamonds.
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• Legislative and Regulatory Update
• Ask The Experts: Bench Top Crushers
• Ask The Experts: How to remove precious metals from lead?
• How to Properly Ground Balance to Find the Most Gold
• Authorities Search for Lost Treasure Hunters
• Alaska Geologist Survives Grizzly Attack
• The Guaniamo Diamond Area, Venezuela—Part II
• How California Became the Golden State
• The Rocky Bar Mining District, Idaho
• Mining Stock Quotes, Mineral & Metal Prices
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The Jenkins Mine Project—The Golden Rules of Science
• Melman on Gold & Silver
• ICMJ Again Matches Funds For PLP Donations
