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Tucson Mountain Chaos
January 2005 by Edgar B. Heylmun, PhD
The Tucson Mountains are immediately west of Tucson, in southern Arizona, and include residential areas of the city. The highest peak, Wasson (Amole) Peak, reaches 4,687 feet. It is part of the great Basin-Range physiographic province, characterized by fault-block mountain ranges separated by broad desert valleys.Melman on Gold & Silver
The specter of nuclear war temporarily raised its ugly head last month, which prompted many nations to recall their citizens from both India and Pakistan, and sent shock waves through both the financial and metals markets.
National Mining Hall of Fame to Induct Five
Ceremonies for the induction of five mining industry pioneers into the National Mining Hall of Fame will be held Saturday, September 17, 2005 at the Museum Convention Center in Leadville.
Ask The Experts: How to remove precious metals from lead?
I have a large amount of precious metals, gold and silver, mixed in with lead. Cupelling is expensive. What method can I use to extract the gold and silver without cupelling?
Small-Scale Mining with a Dozer and Detectors
Even the best of metal detectors are only capable of seeing a certain distance down into the sand, gravel and rock of a placer deposit. Once all the gold that can be reasonably seen by a metal detector has been harvested, it can be difficult to...
Federal Court to Address Dredge Permits—The Tulloch Rule
Congress passed Section 404 of the Clean Water Act (CWA), which was originally called the Federal Water Pollution Control Act, 33 USC 1344, in 1972. Section 404 authorized the US Army Corps of Engineers (the Corps) to issue permits “for the discharge of dredged or fill material into the navigable waters at specified disposal sites.”
Legislative and Regulatory Update
• Congress heading into summer recess
• Maintenance fees due!
Alaska Geologist Survives Grizzly Attack
“When he stepped into the clearing he didn’t snarl and stand up and show me how big he was. He just came for me,” Miller said.
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The Bawl Mill
• Convention Report
• Interview with Congressman Gibbons on Mining Law Reform
• The Art of Finding Coarse Gold Part II—Pocket Hunting for Residual Placers
• Gold Canyon Resources Targets Gallium
• Picks & Pans: Auburn Ravine Gold
• Suit Filed to Stop Mining in Northern California
• Niobium and Tantalum
• The Iola Mine Group, Montgomery County, North Carolina
• Effectively Using a Detector and Drywasher for Placer Gold
• Mining Companies Use Conservative Valuations
• Company Notes
• Accident at Robinson Mine Leaves Two Dead
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
