All Articles
Catastrophism vs. Uniformitarianism
November 1999 by Edgar B. Heylmun, PhD
Man has always wondered how the Earth was created, and how oceans, mountains, and other features were formed. However, until the last 200 years, most phenomena were explained by means of legends, superstitions, or religion. It is still that way in many parts of the world.Our Readers Say
Letters from our readers...
• "...around forever..."
• "A decision I never regretted."
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?
Mining Stock Quotes and Mineral & Metal Prices
Mining Stock Quotes and Mineral & Metal Prices
The Bawl Mill
• “Dole”ing out spam
• Martinis with the Mayor
• FBI is afraid of a mouse
• Politically and fashionably correct
Enrichment of Mineral Deposits by Weathering—Part I
The exact minerals formed in the concentrated supergene deposits depends much on the type of country rock around the deposit and the chemistry of the deposit itself, but if conditions are right, this process will form some rich patches of bonanza ore, in some places valued at thousands of dollars to the ton.Nevada Regulators Reach Agreement With Queenstake Resources
Environmental regulators ordered Jerritt Canyon Mine near the Nevada-Idaho line closed on May 30 for failure to install equipment to control mercury air emissions. Yukon-Nevada blamed the failure on needed parts that didn’t arrive in time.
Subscription Required:
The Bawl Mill
• USPS Delays ICMJ Delivery at Oakland, CA Processing Center
• Another Gold Heist Reported at Nome
• No Need to Rewrite Mining Regs, NAS Study Confirms
• 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
• 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
