All Articles
Gold in Jasperoid
February 2000 by Edgar B. Heylmun, PhD
Jasperoid is a jasper-like siliceous rock, in which chalcedony or cryptocrystalline quartz has replaced limestone, dolomite, or shale. It forms the gangue of many important ore bodies. It is stained by iron and manganese oxides into shades of...
Legislative and Regulatory Update
• The ESA used, and apparently abused, in Arizona and New Mexico
• In a somewhat related story...
• Among the numerous bills that died when Congress adjourned...
• More on the ESA
• Miners must present proof of filing, says IBLA
• Federal government backs mining project
• Appeals Court says Clinton roadless rule can stay
Resurrecting An Old Hard Rock Mine—Safety Is No Accident
Now it was time for the nerve-wracking part of the job: actually removing anything from the hanging wall we deemed to be in need of removal because it was either loose, could be loose, looked loose, or we felt it was just downright dangerous
2001 Inductees to the National Mining Hall of Fame
Ceremonies for the inductees to the National Mining Hall of Fame will be held on Saturday, September 8, 2001, at the Museum Convention Center in Leadville, CO.
The Bawl Mill
• Some of us probably recall the saying "the fly in the ointment."...
• "You must be morons to send me this letter!"
• Worried about Y2K?—Trust in God and the FDIC...
Legislative and Regulatory Update
Legislative and Regulatory Update
Legislative and Regulatory Update
• Forest Service proposes next step in Agenda 21
• 9th Circuit deals blow to small miners
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The Bawl Mill
• Clinton Declares Three More National Monuments
• McCain Derides Clinton Forest Policy
• Foreigners Lure Mining Partners
• Pacific Island Gov'ts Focus on Undersea Mining
• Options Narrowed for Managing Chugach National Forest
• Company Notes
• Diamond Fever
• Underground Geologic Mapping
• New Quarry Regulations in West Virginia
• Ash Fork Calm After Explosives Theft
• Picks & Pans: Mining in Ghana
• Little Rocky Mountains, Montana
• Collector Reaches New Lows to Find Bottles
• Chinese Camp, California and the Tong War of 1856
• Millie's Tailings
• Visionaries, Scoundrels, and Gamblers
• Executive Defends Special Mill Site Exemption
• Chasing the Ghosts of Forty-Niners
• Washoe County Balks at Black Rock Desert Plan
• State's Only Gold Mine Processes Last Precious Ore
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
