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.Resurrecting An Old Hard Rock Mine
There were nice sections of vein material at the end of several drifts, like they just stopped work one day and walked away.
The Phoenix Gold Mine: A Brief History
The Phoenix Gold Mine is located approximately 7 miles south of Concord, North Carolina, and was discovered in about 1836, some 37 years following the first discovery of gold in the United States and a few years following the discovery of gold in quartz veins by Joseph Barringer.
Get The Lead Out!
If you do the math, it equates to about $1,500 of heavy metal value per three-hour dive. This is good wages, and you are doing a service to the environment by removing this toxic metal.
The Bawl Mill
• Comedian picks on wrong town
The Basics of Froth Flotation
I thought it might be worthwhile to take a look at the basics of this important mineral separation technique and how a miner can use it to recover the values out of an ore.
What To Do When Gold Recovery and Assay Values Differ
Before going into an analysis of the ore composition, two other major factors will affect the result. These are the accuracy of the assay and the effectiveness of the mill for the gold recovery.
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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
