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Diamonds in the Rough in Montana
December 2004 by Associated Press
The bright green rocks jutting through the prairie soil were hard to miss, but Tom Charlton still couldn’t believe his eyes. It was kimberlite, the molten rock in which diamonds are found, and preliminary tests had yielded a microscopic diamond.The Juneau Goldfields
The first time I flew into the Juneau area in southeastern Alaska, I was about 5 years old. I recall it was raining and the clouds hung low over the tall mountains. I was sure we’d crash and couldn’t see how the...
The Guaniamo Diamond Area, Venezuela—Part II
The apparent high grade of the ore deposits and the quality of the diamonds seem to clearly indicate that a profitable mining venture could be established on the kimberlite sills...
Treasure Hunters Challenge FBI Over Dig for Civil War Gold
The father-son duo spent years combing this bit of Pennsylvania wilderness with high-end metal detectors, drills and other tools to prospect for a fabled cache of Civil War gold.
Legislative and Regulatory Update
• Endangered Species Act update
• California Fish & Game tries yet another route to stop gold dredgers
Ask the Experts
Good questions...from A to Z...
Using A Trommel For Placer Processing
The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.
Melman on Gold & Silver
The past month was a good one for for George W. Bush. First, he was officially inaugurated for his second term in office and made a well-received speech advocating the American position on world peace. Then Iraq held an election that was extraordinarily successful in comparison to the woeful predictions that had been made.
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The Bawl Mill
• Gold Diver's Closes Its Doors
• Geologist's Search for PGMs Leads to Mining Venture
• The Art of Finding Coarse Gold Part I—The Geology of Coarse Gold Formation
• Using Microbes for Mining
• The Carter and Reynolds Gold Mines: Is There a Yet Unknown, but Mineable Gold Deposit Here?
• Michigan House Committee Approves Sulfide Mining Regulations
• Surging Gold Prices Add Luster to Nevada's No. 2 Industry
• Ruby Hill Gold Mine to Reopen in Eureka
• The Skaergaard Intrusion
• Melman on Gold & Silver
• BLM Launches Mining Claim Records Viewer
• Newmont Welcomes Release of Executives
• The Baja Gold Rush of 1889
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
