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Gold Deposits in Skarn
July 2003 by Edgar B. Heylmun, PhD
Skarn consists of coarse-grained calcium, magnesium, iron, and aluminum silicates formed by hydrothermal solutions, which replace limestone or dolomite near the contact with an igneous intrusion. The contact metamorphism is usually caused by an intrusion such as quartz monzonite, granodiorite, or similar rock type, which may or may not be mineralized.Additional articles that might interest you...
Cripple Creek Gold Mine Exceeding Expectations
September 2013
At the peak of construction later this year, the mine will generate more than 6,000 direct and indirect jobs across the state with annual wages totaling more than $200 million...
At the peak of construction later this year, the mine will generate more than 6,000 direct and indirect jobs across the state with annual wages totaling more than $200 million...
Company Notes
October 1999
• AZCO Mining Inc.
• Great Quest Metals Ltd.
• Royal Gold, Inc.
• Altair International, Inc.
• Vista Gold Corp.
• Placer Dome
• AZCO Mining Inc.
• Great Quest Metals Ltd.
• Royal Gold, Inc.
• Altair International, Inc.
• Vista Gold Corp.
• Placer Dome
Over the Divide—Robert Michael “Mike” Corbley
April 2014
Mike was...featured on our November 2013 cover after he achieved his dream of recovering several huge nuggets...
Mike was...featured on our November 2013 cover after he achieved his dream of recovering several huge nuggets...
Mining Expedition at Eagle Rock—Part I
May 2009
We spent the winter and spring months obtaining all of the prospecting and camping gear that would be needed to sustain the five of us for 14 days on the river.
We spent the winter and spring months obtaining all of the prospecting and camping gear that would be needed to sustain the five of us for 14 days on the river.
Government to Buy New World Mine Claims
April 2008
A conservation group said it has an agreement to purchase nearly 1,500 acres of private mining claims northeast of Yellowstone National Park.
A conservation group said it has an agreement to purchase nearly 1,500 acres of private mining claims northeast of Yellowstone National Park.
The Bawl Mill
November 2002
• “Dole”ing out spam
• Martinis with the Mayor
• FBI is afraid of a mouse
• Politically and fashionably correct
• “Dole”ing out spam
• Martinis with the Mayor
• FBI is afraid of a mouse
• Politically and fashionably correct
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The Bawl Mill
• Our Readers Say
• PLP Members Win Occupancy Case—Appeals Continue
• Prospecting for Iron in Alaska
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• Spencer Opal Deposits, Idaho
• Company Notes
• Hillside Placers
• Elko Mining Expo a Success
• Gold Prospecting in Alberta
• National Mining Hall of Fame to Induct Six
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
• Looking Back
