All Articles
Dredging for Monazite in Idaho
October 2003 by Sharon A. Murray
The advent of the nuclear age, after World War II, aroused concerns in government circles when officials realized the United States was entirely dependent upon foreign sources of supply for rare earth elements. This prompted the Atomic Energy Commission (AEC) to enlist the US Bureau of Mines Special Minerals Investigation Branch to evaluate monazite-bearing placers in the United States in 1948.Entry-Level Metal Detectors for Gold Prospecting
These are entry-level machines designed with gold prospecting in mind and with the ability to handle mineralized ground and see nuggets of a grain or so in size, perhaps smaller.
The Montanore Copper and Silver Project
This adit will be nearly 3.5 miles long when it reaches the ore zone.
The Bawl Mill
• Insecurity issues?
• Seven experts...and a little bit of editing
• November can’t get here soon enough
Gold in Guyana—Part II: Process Optimization at Sacre Coeur Minerals' Lower Puruni Alluvial Mining Project
In Part Two of my two-part series I describe the mechanized alluvial gold mining operation on the lower Puruni River launched by Sacre Coeur Minerals in 2011.
The Golden Triangle of Sonora, Mexico
The “Golden Triangle” dry placer district in Sonora, Mexico, lies some 80 to 100 miles south of the border. It is in desert terrain at elevations between 1,900 and 2,300 feet above sea level.
Commercial Placer Mining With Jigs
During the upward stroke, water is pushed up through the shot layer causing it to open up and lifting the gravel particles above. The heavier particles settle faster based on Stokes law, and move down into the shot bed layer, while the lighter...
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The Bawl Mill
• A Guide to Overlooked Gold Deposits—Part II
• Brighter Days Ahead Reports Nevada Mining Association
• Waldo Miners File Suit
• Roll-Front Uranium Deposits
• Deadly Storms May Expose Gems in Sri Lanka
• Picks & Pans: Dredging and Detecting in Sierra City
• Hidden Features in Venezuela
• Gold in the Philippines
• 2003 California State Gold Panning Championships
• Judge Holds Companies Liable for Some Damage
• The Golden Highway—Tuolumne County
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
