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Cerro Colorado Silver, Arizona
November 1999 by Edgar B. Heylmun, PhD
It was the first mine developed by Americans in the Cadsden Purchase of 1853. A number of small near-surface mines had been operated by Spaniards and Mexicans in the region prior to the arrival of Americans, going back as far as 1740.Melman on Gold & Silver
...while the conference and some economic data were working to restore optimism, the world continued to receive a flood of negative economic news, some of it with ominous implications...
Legislative and Regulatory Update
• ESA changes proposed
Gold in New Hampshire
New Hampshire, one of five New England states, has an area of 9,351 square miles, a bit larger than Kern County, California. It is a playground for people who live in the large urban areas in the East.
Lamproites and Diamonds
Most prospectors are aware that diamonds are sometimes found in kimberlite, but few are aware that diamonds are also found in another rock type known as lamproite. Lamproite is a very rare volcanic rock that often...
Becoming a Successful Detectorist
During my adventures I’ve learned a few key best practices that help me to consistently find gold nuggets with my detectors. You can apply many of these best practices to any type of prospecting. These best practices are really common sense; however, they are easy to neglect.
Silver Bonanza in the Sierra Madre: The Glorious Past of Batopilas—Part II
John Kyrk was a prospector who appeared in Batopilas about 1863. Little is known about him, but he had the foresight to pick a mine just 59 yards north of the San Miguel property, and dug a tunnel that ran parallel with the San Miguel in the same mountain, cutting the same veins.
MMAC & PLP Update
We definitely got their undivided attention with our presentations. As a direct result of our presentations, the Desert Advisory Council recommended a Memorandum of Understanding be put together between the council and the Rand Mining District. This MOU was recently completed.
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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
• 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
• 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
