USGS Reports Increase of Imported Minerals
September 2001 by StaffSince 1993, US reliance on imports of raw and processed materials of mineral origin has increased more than seven fold.
Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.
Tiffany & Co. plans to open its first diamond cutting and sorting plant early this year in conjunction with its investment in a diamond mine in Canada’s Northwest Territories.
We are sad to say that one our most beloved writers, Ron Wendt, passed away on November 10, 2007.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
…I was looking down on what was a frightening 500-foot sheer drop-off. We were precariously close to the edge as the shoulder was practically non-existent.
• Using drywashers to work desert gravels
The Bawl Mill • A True Endangered Species • Guest Editorial—Vertical Disintegration • The San Juan Mountains, Colorado • A Silver Opportunity • Gold in Virginia • Picks & Pans: DEF Prospectors Rally Was a Huge Success • News From GATA • Our Nugget Shooting Adventure • How PGMs Affect Assay Beads • Fly Fishing the Mine Tailings/Headwaters of the Clark Fork, Montana • Company Notes • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices