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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.
Additional articles that might interest you...
1999 National Mining Hall of Fame Inductees
August 1999
Ceremonies to induct 1999s nominees into the National Mining Hall of Fame will be held Sunday October 10,
1999 at the Adam's Mark Hotel in St. Louis, MO.
Ceremonies to induct 1999s nominees into the National Mining Hall of Fame will be held Sunday October 10,
1999 at the Adam's Mark Hotel in St. Louis, MO.
Aussie Gold—Swinging Over to South Australia
April 2002
Since the founding of the original colony in 1836, minerals have proven a vital resource to fund the State’s development. Originally, copper was the lifeblood, being discovered not long after settlement.
Since the founding of the original colony in 1836, minerals have proven a vital resource to fund the State’s development. Originally, copper was the lifeblood, being discovered not long after settlement.
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Ivanhoe Mines announced that Rio Tinto will invest $1.5 billion to engineer, construct and operate Ivanhoe’s Oyu-Tolgoi copper and gold project in the South Gobi region of Mongolia.
Ivanhoe Mines announced that Rio Tinto will invest $1.5 billion to engineer, construct and operate Ivanhoe’s Oyu-Tolgoi copper and gold project in the South Gobi region of Mongolia.
How to Field Evaluate A Placer Property
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If there is misleading wording anywhere, it will be in the sample data and in reserve/resource estimates.
If there is misleading wording anywhere, it will be in the sample data and in reserve/resource estimates.
Researching and Staking Mining Claims—Part II
January 2007
Owning a mining claim is one of the greatest opportunities still available to American citizens. In last month’s article, we covered the basics of researching public lands and determining if the spot is open to claim.
Owning a mining claim is one of the greatest opportunities still available to American citizens. In last month’s article, we covered the basics of researching public lands and determining if the spot is open to claim.
Greenhorn Finds Gold in Colorado
November 2016
Using a snuffer bottle to pick it out of the pan, he continued his panning efforts. He continued to find more yellowish stuff, but it wasn’t shiny like he thought gold should look.
Using a snuffer bottle to pick it out of the pan, he continued his panning efforts. He continued to find more yellowish stuff, but it wasn’t shiny like he thought gold should look.
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The Bawl Mill
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• The Hunt for Diamonds, Nunavut, Canada
• Famous Yuba River Dredge Sinks
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• 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
