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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...
Rent, Lease, or Own Your Equipment
January 2006
Today, renting, leasing, financing and outright purchasing are simply tools of the trade for many financial professionals.
Today, renting, leasing, financing and outright purchasing are simply tools of the trade for many financial professionals.
The Challenge of Winter Dredging
November 2016
Dredges actually do pretty well in freezing conditions. There are a few tips you should know, however.
Dredges actually do pretty well in freezing conditions. There are a few tips you should know, however.
Gold Prospecting & Mining Summit Exceeds Expectations
May 2014
Brian...had cleared off some virgin, gold-bearing bedrock areas prior to our arrival, so everyone had ample opportunity to find and take home some gold.
Brian...had cleared off some virgin, gold-bearing bedrock areas prior to our arrival, so everyone had ample opportunity to find and take home some gold.
Picks & Pans: Mexican "Edventure"
July 2004
Where can you find 80-degree weather, 76-degree water, 30-50 foot visibility, all the seafood you can eat, beautiful friendly people—and placer gold?!
Where can you find 80-degree weather, 76-degree water, 30-50 foot visibility, all the seafood you can eat, beautiful friendly people—and placer gold?!
Ash Fork Calm After Explosives Theft
February 2000
The tiny, unincorporated town of Ash Fork blazed into the national spotlight with the announcement that 1,000 pounds of explosives were stolen from a nearby mine.
The tiny, unincorporated town of Ash Fork blazed into the national spotlight with the announcement that 1,000 pounds of explosives were stolen from a nearby mine.
Melman on Gold & Silver
February 2009
We noted last month that it was important to keep track of how the Obama team was shaping up and to attempt to gain at least a glimmer of insight into the anticipated direction of his economic policies. Well, we have indeed been able to obtain sufficient information to offer some projections.
We noted last month that it was important to keep track of how the Obama team was shaping up and to attempt to gain at least a glimmer of insight into the anticipated direction of his economic policies. Well, we have indeed been able to obtain sufficient information to offer some projections.
Ask The Experts
January 2016
What are these rocks?
What are these rocks?
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The Bawl Mill
• Our Readers Say
• PLP Members Win Occupancy Case—Appeals Continue
• Prospecting for Iron in Alaska
• Picks & Pans: Highbanking on the American River
• Platinum Firm, Palladium to Remain Weak
• 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
