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.
Some financial commentators have speculated that bitcoin and other virtual currencies have captured a portion of funds that would have been invested in gold. I find it a bit ironic that people who invest in precious metals would even consider another fiat currency.
The historic mining town of Cripple Creek (population 600) is 43 miles, by paved highway, west of Colorado Springs, almost two miles high in the Colorado Rockies.
-- “I especially enjoyed the October 2015 issue...”
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Most of the old large gold dredging operations used a trommel. The trommel consisted of a long metal cylinder made of heavy punch plate in which the small gravel, black sands, and gold would fall though holes and end up in banks of sluices.
On Saturday, January 27, 2007, six of us began a trip to Pickering Bar on the North Fork of the American River. It was 7:30 am and we had our engines running to begin the first leg of our two and a half hour trip to get there.
North American mining companies are hunkering down to ride out a global economic slowdown; looking to rein in spending and perhaps delay some projects and exploration.
Beneath the rolling fairways and manicured greens of a sedate golf course community in Cabarrus County, North Carolina, lie the 600-foot deep, water filled, caved workings of the once famous Phoenix Gold Mine.
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