Greenstone Belts in Minnesota
August 2005 by Edgar B. Heylmun, PhDGreenstone is a dark greenish-black basaltic rock which, along with chloritized schist, forms belts up to 50 miles wide in northern Minnesota, in rocks of Late Archean age. Most belts are 2.6 to 2.9 billion years old.
- Zinke leaving office
- Property rights triumph over critical habitat says Supreme Court
- Water of the United States
New South Wales is similar to Queensland. The Great Dividing Range runs close to the coast with large forests on the coastal plain. Inland from the mountains are vast grasslands with occasional forests extending to arid plains and desert.
Mining Districts are the private regulatory authority granted by Congress recognized to regulate the mineral lands held by the United States and for the disposal to citizens of the United States, by means of development and potentially perfected by patent.
The El Paso Mountains of California are located in the extreme northwestern portion of the Mojave Desert, between Highways 14 and 395, about twenty miles southwest of China Lake. The area is rich in mining history, not far from the great Randsburg district gold mines that are still producing today.
• I-147 will be on the ballot
• Consolidation granted
• More rivers off-limits to mining
• Valley fills decision appealed
• Forest Service cites dredgers
• Time extended for roadless comments
• Newmont water permit voided
- Massive 660-page lands bill passed in the Senate
On January 11, 2002, at 7:00 am, a passerby found what he thought was a dead body by the Pro-Mack South Quartzsite store in front of the gate to the storage lockers next door. The police arrived to find Don Thornton, the Pro-Mack South Quartzsite store manager, unconscious, black and blue...
The Bawl Mill • Our Readers Say • The Paradox Basin—Part II • A Sleeping Giant • Buying a Used Gold Dredge • Looking Back • Gold in Vermont • Picks & Pans: Prospecting on Perry Creek • 9th Circuit Court Hears Pilgrim Family Case • The First Mine in America • National Mining Hall of Fame to Induct Five • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices