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Mining Stock Quotes, Mineral & Metal Prices
August 2010 by Staff
As Millennium Nears, Copper No Longer King in Arizona
At the start of the 20th century, copper was king in Arizona, with one of every four workers employed in the mining trade. On the brink of a new millennium, however, the industry is no longer the cornerstone of the state's so-called "Five Cs" economy—copper, cattle, cotton, citrus and climate.
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Legislative and Regulatory Update
• Hike in mining claim fees
• Hearing on suction gold dredging in California
• Interior wants mining reform
Underground Mining: Stoping Methods
In an old mine that does not have stopes, you know the old miners did not take much if any ore out of that excavation. On the other hand, if you see large stopes within the mine you know that it is these places where the miners found profitable ore deposits within the vein.
Take it to Bedrock
Picking the right spot to placer has to do with years of experience, and a little luck. The textbooks can tell you where it should be, but sometimes the rules just don’t seem to apply.
Find Your First Piece Of Gold With A Pan Now!
December 2023
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The Bawl Mill
• Legislative and Regulatory Update
• Commercial Placer Mining With Jigs
• Ask The Experts: Bench Top Crushers
• Ask The Experts: How to remove precious metals from lead?
• How to Properly Ground Balance to Find the Most Gold
• Authorities Search for Lost Treasure Hunters
• Alaska Geologist Survives Grizzly Attack
• The Guaniamo Diamond Area, Venezuela—Part II
• How California Became the Golden State
• The Rocky Bar Mining District, Idaho
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The Jenkins Mine Project—The Golden Rules of Science
• Melman on Gold & Silver
• ICMJ Again Matches Funds For PLP Donations
