The Swift Shore Mine 1862—Present
March 2001 by Don RobinsonMichigan Bluff is an old mining town dating back to the 1850s. It is located in Placer County, about 25 miles northeast of Auburn, just past the town of Foresthill. It sits on the very edge of a mountain, with the Middle Fork of the American River flowing about 1200 feet lower at the bottom of the canyon.
These gritty clay lines were only a quarter of an inch up to three inches wide. Once the line had been laid out, they would look at the wall of gritty clay material and seek more indicators.
- UN budget is UNderfunded and UNfairly distributed
- Walmart makes the naughty list
The Golden Sunlight Mine in Whitehall wants to expand its open pit operations, possibly extending the life of the mine by five years.
Swedes were the first to note variations in the Earth's magnetic field, circa 1640, and they were the first to use the dip needle. They made the first magnetometer in 1870.
• EPA backs down in Wyoming
• UN Chairman took on more than a mission
Gold and other valuable metals are often deposited in breccia and rubble formed by flat or gently-dipping faults. Such faults are commonly found in areas of crustal stretching caused by the movement of tectonic plates. Flat-faults are especially common in southeast California, southern Arizona, and northern Sonora, Mexico. However, they can be present anywhere that crustal stretching has occurred.
The McCaw School of Mines in Henderson, Nevada, dedicated Phase II of their unique mining school for kids.
The Bawl Mill • Our Readers Say • Gem Theft in Tucson • BLM 3809 Final Rule Implications • Winter Dredging • Selecting a Gold Recovery System • Placer Diamonds in Venezuela • Picks & Pans: Leon Always Finds the Most Gold • Company Notes • Placer Gold in the Black Hills, South Dakota • Platinum and Diamond Discoveries Shine New Light on Historic Alaska Gold-Mining District • GATA Update • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices