All Articles
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.Looking Back
Excerpts from CMJ, our original title, published 50 years ago this month.
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
Administration Considers Bypassing Congress
With Congress showing little willingness to act, the Clinton administration is weighing whether to designate a dozen scenic and historic sites in the West as federal monuments to assure their protection.
Two Arrested in Alleged Mining Investment Scheme
The US attorney’s office indicted Diana Flaherty, of Las Vegas, and Michael Gardiner, of San Diego, in connection with a securities fraud scheme. According the indictment, Flaherty, and her husband Robert (now deceased), had managed Phoenix Metals USA II. Gardiner is identified as a company shareholder.
Cedros Island, Mexico
Cedros Island, 134 square miles in area, lies in the Pacific Ocean, 14 miles off the west coast of Baja California. It is 265 miles south of Ensenada and 340 miles south of San Diego. It is one of the few Mexican islands that is inhabited, with the fishing village of Puerto Cedros having a population of 400.
Sulfides and Intergrain Gold Wire Nuggets
...these nuggets have not traveled far from the lode because the golden wire lattices would have been torn apart or flattened during weathering of rock and deposition by violent stream action.
All About Chalcopyrite
…there are loads of different copper minerals, but a large number of them form first in the ground as chalcopyrite and then through the effects of weathering are changed into other minerals like malachite, cuprite and chrysocolla.
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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
