All Articles
No Need to Rewrite Mining Regs, NAS Study Confirms
November 1999 by Associated Press
The findings substantiate what the Northwest Mining Association (NWMA) has been saying since Department of Interior Secretary Bruce Babbitt first began an ill-conceived rule making over three years ago.Enrichment of Mineral Deposits by Weathering—Part II
While both zinc and lead deposits also are enriched by the surface weathering process, in part two we will look at the enrichment process for copper and also gold deposits, and at the interpretation of leached outcrops to figure how rich the concentrated deposits below them may be.
Alaskan Gold Adventure
In Chicken I had my first experience with the famous Alaska blue clay, sometimes called the blue layer. The blue layer is where the best fine gold was to be found.
The Wild Rush to Find More Cobalt—Part I
While some future cobalt will come from recycling lithium batteries and other products, the coming huge need for cobalt is virtually a perfect storm of heavy demand and insufficient supply.
Oregon Dredge Permit Litigation Update
In other words, just like those that move next to an airport and then complain about the noise, Mr. Riskedahl deliberately went out of his way to “witness and document the effects of suction dredge mining,” and when he found some, he was annoyed by it!
Gold Detecting Strategies for Hydraulic Mines and Debris Flows
The old timers typically washed these areas down to bedrock, and some areas appear terraced. I would imagine this is because these hydraulic mines were generally where the miners found old Tertiary river channels on the sides of mountains that were gold-bearing.
Ask the Experts
Q: How do metal detectors work around precious metal ore bodies?
Gold in Alaska
The harsh Alaskan environment delayed serious prospecting and mining for decades and still continues to stymie exploration activity even though there are likely dozens of hidden major and world-class gold and base metal deposits.
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The Bawl Mill
• USPS Delays ICMJ Delivery at Oakland, CA Processing Center
• Another Gold Heist Reported at Nome
• BLM Filing Requirements for Small Miners' Waiver
• Asarco Accepts Phelps Dodge Buyout
• Once Lonely, Mojave Desert Phone Now World's Companion
• Judge Blocks Road Protest
• Company to Sue Over Stymied Gold Mine
• No Mining / Logging on 40 Million Acres
• Catastrophism vs. Uniformitarianism
• 1st Annual Placer County Open Gold Panning Championships—1999
• Picks & Pans: The Ten-Pennyweight Nugget
• Mining in Sonora, Mexico
• Pullin' the Pin
• Land of Golden Dreams—California in the Gold Rush Decade
• Cerro Colorado Silver, Arizona
• Progressive Privy Program Proved Popular
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Surging Gold Prices Burn a Few Unlucky Mining Firms
• Looking Back
