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Gold in Gossan
March 2003 by Edgar B. Heylmun, PhD
Gossan is defined as being an iron-bearing capping over a sulfide deposit. It is formed by the oxidation and leaching of sulfide minerals, leaving hydrated iron oxides such as limonite and goethite, along with manganese oxides.
Police Urge Author to End Treasure Hunt
The plea from State Police Chief Pete Kassetas follows what authorities believe is the latest death related to the effort to uncover Forrest Fenn’s treasure.
Everything You Need to Know About Gold Wheels
The theory of making the gold wheel work is really very simple—classification. When all the materials introduced into the wheel are classified to the same mesh, the heaviest materials will be extracted...
Ask The Experts
Sulfides and oxides—what's the difference between the two?
ICMJ Again Matches Funds For PLP Donations
In the meantime, PLP continues to incur costs associated with several ongoing court cases filed on behalf of the mining community. To contribute to their efforts, we are again offering to add twenty-five cents to every PLP donation made between...
The American Hill Mine
In the high country of the Tahoe National Forest is 160 acres of a patented mining claim dating back to its origin around 1853. This is well above the historic mining town of Michigan Bluff and past Deadwood—an old mining town...
Mining Stock Quotes and Mineral & Metal Prices
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• The Steeple Rock District, New Mexico
• The Hunt for Diamonds, Nunavut, Canada
• Famous Yuba River Dredge Sinks
• Gold in Maine?
• Mud Creek Placer Mine Adventure
• Junior Miners and Investors Gather in Canada
• Picks & Pans: Dredging at Douglas Creek, Wyoming
• Company Notes
• Gold Prospecting on the East Fork River, Alaska (Part III—Conclusion)
• National Mining Hall of Fall and Museum Calls for Poetry
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
• Looking Back
