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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.The Bawl Mill
• From NASA, with warmest regards
• Anything new to report?
Hunting Down Paystreaks
When I teach people about finding gold, I often explain that it is helpful to think of any river or stream that carries gold as being something like a sluice box.
Is It Time for a Change? New Ways to Find More Gold
The old report I read indicated all they ever did was dig some trenches and take samples. It sounded to me like a good place to take my metal detector...
Foreign Investment Hits More Roadblocks
Chad, Bangladesh, Peru, Kyrgyzstan and Uzbekistan are the latest in a long list of countries that have become unfavorable toward foreign-owned mining companies.
Ask The Experts: Looking for help on unproven claim
Looking for help on unproven claim
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...
Evaluating a Placer Discovery
Gold mineralization is usually first noted in an area by examining material weathered from the source and liberated or washed downhill from it.
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