All Articles
Hardrock Mining Accidents Claim Four Lives
September 2010 by Scott Harn
Hardrock mining in the US has been hit by a tragic streak of mining accidents in recent months.Mystery of Olmec Jade Solved
Since the 18th century, collectors, geologists and archaeologists have sought the answer to a frustrating mystery: The ancient Olmecs fashioned statues out of striking blue-green jade, but the stone itself was nowhere to be found in the Americas.
Designing and Evaluating Placer Gold Recovery Plants
For this article, I am focusing on industrial production plants that can handle 10 cubic yards per hour or more and would be fed by a loader or other heavy equipment...
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• "...around forever..."
• "A decision I never regretted."
Gangue Minerals - What Do They Tell Us?
There are a large number of different kinds of gangue minerals, and each of them has its own tale to contribute to the story of the chemistry and geology of a deposit.
Legislative and Regulatory Update
• All bark but no bite
• Company looks to restart mining in Wisconsin
Government Takes Land for Open Space
Rather than using the practice of government seizure of private property to promote economic development, the county is using it to preserve open space.
Researching and Staking Mining Claims
One of the greatest opportunities still available to Americans is the opportunity to stake and own your own mining claim. Much of the Western US consists of lands that are open to claim by any US citizen...
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Legislative and Regulatory Update
• Prospecting Old Tertiary Channels
• The Jenkins Mine Project Pt II: Terrain and Map Study
• Search Called Off for Missing Treasure Hunters
• Glacial Gold in the Midwest
• Hardrock Prospecting in El Dorado County, California
• Gold & Silver of the Comstock Lode
• Melman on Gold & Silver
• Forest Service Pays Miners $245K for Unlawful Destruction of Mine