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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.
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Why Do We Do The Things We Do?
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For years I had studied the tempting bench high above the East Fork of the San Gabriel River. A beautiful 20-foot vertical wall of encrusted boulders, cobbles and gravels beckoned to me 100 to 150 yards up a steep slope from the river bed. They were all very promising material. The kind of rounded curves that can charm so well, and tease a grown man into risking life and limb. So, on that nearly fatal day in May, I packed a spiral wheel...
For years I had studied the tempting bench high above the East Fork of the San Gabriel River. A beautiful 20-foot vertical wall of encrusted boulders, cobbles and gravels beckoned to me 100 to 150 yards up a steep slope from the river bed. They were all very promising material. The kind of rounded curves that can charm so well, and tease a grown man into risking life and limb. So, on that nearly fatal day in May, I packed a spiral wheel...
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While most precious metals observers tend to pay more attention to action in the gold market as opposed to silver, there are times when the white metal can give us particularly sharp price targets going forward.
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Ask The Experts—What happened to the BLM web site geocommunicator.gov?
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Q: What happened to the BLM web site geocommunicator.gov? We cannot get mining claim info any more. Can you write about this? Or if you did what volume and number? Thanks for keeping the ICMJ alive and well.
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Q: A few questions about claim markers, gold hunter test kits, and videos....
Q: A few questions about claim markers, gold hunter test kits, and videos....
Wyoming's Billion Dollar Nugget—The Trilogy Ends
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With eight loads processed, a pumpkin-size rock fell into the hopper, stopping the whole operation until I could lift it out.
With eight loads processed, a pumpkin-size rock fell into the hopper, stopping the whole operation until I could lift it out.
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The Bawl Mill
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• 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
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• 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
