Dredging for Monazite in Idaho
October 2003 by Sharon A. MurrayThe 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.
The big interest to prospectors thinking about the effect of erosion is not what might happen long into the future, but what they might find in the rivers later this summer when the water levels go down.
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.
• Your tax dollars at work
• He's an "expert" in stupidity
• No sense of humor
Making matters worse, we could feel the truck moving very slowly down the mountain along with the trees and mud. It was an uncomfortable sinking feeling, as you might guess.
The most obvious benches are usually near the valley floor, but they can be thousands of feet above the valley floor. Since benches were made by streams, they can contain placer deposits.
• An idea that is overdue...
• Oh Lord, won’t you buy me a Mercedes Benz?
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