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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.Legislative and Regulatory Update
• Forest Service Oversteps Authority, Former Official Says
• Glamis Gold Ltd. Files Suit to Vacate Solicitor's Opinion
• Babbitt Targets White Vulcan Mine and San Francisco Peaks in Arizona
Rahall Looks to Rewrite 1872 Mining Law
For over twenty years, Rahall has been introducing bills in an attempt to overhaul the 1872 Mining Law. On May 10, 2007, he introduced another bill, HR 2262, which would drastically change the laws governing mining if enacted. This time, his bill may have a chance.
Gold Prospecting for Better or Worse: A Long Hike
Making matters worse, we could feel the truck moving very slowly down the mountain along with the trees and mud. It was an uncomfortable sinking feeling, as you might guess.
The Forgotten Specimen—Part I
In these types of cases I tend to listen to what my metal detector is telling me. The machine was very quiet, suggesting my initial impressions were right about the ground make up.
Melman on Gold & Silver
We have been concerned for some time about the growing roster of laws, rules and regulations under which the entire industrial complex must operate…
Alternative Financing Alternatives
How can a miner or prospector take advantage of these speedy financing options while avoiding the risks associated with borrowing from so-called “shadow banks?”
Eight Mines Earn Prestigious Safety Awards
Eight US coal, metal and nonmetal mines that achieved a perfect safety record in 2002—a combined 1.9 million employee hours without any time lost to serious injury or a fatality—were honored with prestigious “Sentinels of Safety Awards” presented by Assistant Secretary of Labor for Mine Safety and Health David Lauriski
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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
