All Articles
Placer PGMs in Coon Creek, California
November 2004 by Edgar B. Heylmun, PhD
Lower Coon Mountain is located in the Klamath Mountains, some 10 to 15 miles east of Crescent City (pop. 4,400), which rises to an elevation of 2,841 feet. It is heavily forested except for a few areas that are underlain by serpentine. The mountain, which trends northeast, is bounded on the north by Craigs Creek, and on the south by Coon Creek.Sunshine Mine is Up and Running Again
Sterling Mining Company has resumed initial production at the Sunshine Mine in Idaho. The company anticipates a steady increase in production over the next three years until an average daily processing rate of 1,000 tons per day is achieved.
Beryllium in Utah
Much of the world’s supply of beryllium is mined by Brush-Wellman, Inc., at Spor Mountain, Utah. The district is in a harsh desert environment which receives only 6 inches of precipitation a year, barely enough to support scrubby desert growth.
Cal-Gold Closes Shop After 30 Years
“It is with great sadness that after more than 30 years in business in Pasedena, Cal-Gold will close its doors,”
Sluicing at Rocky Bar, Idaho
Like any good prospector, I sampled the bedrock—and am glad I did. I found a half a dozen pieces in the first pan, so I took a second pan. The results were the same.
The Basics of Small-Scale Heap Leaching with Cyanide
In last month’s article I talked a bit about opportunities for heap leaching small hardrock deposits. This month I’m going to talk about the basics of putting together a heap leach project, including building the pad and leaching the ore.
Detecting Old Ground Sluice Locations
Ground sluicing, surfacing and scratching are a few names given to the recovery of gold in shallow areas. Where I live, the hills are dotted with small surface diggings.
Melman on Gold & Silver
The entire petroleum complex has once again taken center stage in the world’s financial markets as prices for crude surged to near all-time highs at $55 per barrel and associated products such as heating oil and unleaded gasoline (see chart analysis below) soared through previous peaks. What made these new rallies so remarkable...
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The Bawl Mill
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• Uranium Industry Enjoys Rebound as Prices Nearly Triple
• BLM Warning About Purchase of Mining Claims on the Internet
• Determining the Amount of Gold in a Quartz Specimen
• Getting Your Float Circuit Layout Right
• Pick Up Austria's New Coin—If You Can Lift It
• New Prospecting Guides Available Online
• Police Extend Detention of Newmont Executives
• Picks & Pans—Drywashing and Detecting in Southern California
• Over The Divide—Merwin (Merv) H. Hemp
• The Boludo Placers, Sonora
• The Golden Highway—Placer County
• Northwest Miners Rally a Success
• Mine Threat Just a Stunt to Criticize Land Laws
• MINExpo 2004 Convention Report
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
