All Articles
Miner Wins Important Victory Against Forest Service
March 2005 by Scott Harn
A case involving a Northern California dredger who was cited by the Forest Service for operating without a Notice of Intent, Plan of Operation or special-use authorization was resolved in the miner’s favor.
Guanajuato Silver, Mexico
For 250 years, the Guanajuato Mining District of Mexico produced 20% of the world's silver. The old colonial city of Guanajuato (pop.100,000) is wedged in a narrow canyon in the Sierra de Guanajuato, at an average elevation of 6,750 feet.
Mining Stock Quotes and Mineral & Metal Prices
2006 National Mining Hall of Fame Inductees
The four inductees are Earl H. Beistline (1916-Present), R. A. F. Penrose (1863-931), Robert M. Reininger (1912-2006), and John Stanton (1830-1906).
Sutro Tunnel a Big Draw
The population of Sutro almost reached the same number this weekend as it did during its short-lived heyday. About 600 visitors explored the site where Adolf Sutro envisioned a bustling city.
Placer Testing with Large Samples
Of all the difficult gold placer sites to evaluate, none can compare with trying to dig to bedrock through twenty or thirty feet of soaked overburden through which water is slowly seeping downgrade.
How to Upgrade Your Pocket Plunger
These three simple upgrades, when taken together, will considerably increase a pocket plunger’s magnetic pull and make it less susceptible to breakage.
Calcite and Limestone
The other distinguishing feature of calcite has to do with its chemistry. Geologists sometimes take a small bottle of dilute hydrochloric acid out into the field with them because calcite reacts with acids to make a bubbly foam.
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The Bawl Mill
• $100 Million Lost on Faulty ESA Listing
• Geologists Locate Giant Gemstones
• Philippines Asks Foreigners to Invest in Mining
• The Art of Finding Coarse Gold Part IV—Recovery of Coarse Gold From Alluvial Placers
• Healthy Interest at Recent Vancouver Conferences
• Idaho Silver Miners Come to Aid of Tsunami Victims
• Picks & Pans: In Search of a Vein: Looking for Hardrock in the Talkeetna Mountains
• Researchers Trace History of Hope Diamond
• The "Rip-Roaring" Flood That Washed Out Mazuma, Nevada
• Looking Back
• Resolution Copper Mine, Arizona
• Company Notes
• China Ups Investment in Foreign Minerals
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
