Mining Stock Quotes and Mineral & Metal Prices
February 2007 by Staff
Placer mining, whether for profit or recreational purposes, involves separation of free gold from the gold-bearing sands (gangue) of alluvial deposits by methods using specific gravity. The free gold can vary from 17 to 19.3 in specific gravity terms, depending on the alloy mix, which is usually silver, but can be copper, lead, sulfur, tellurium, antimony, or mercury.
The lands that lie within the Arizona section of the Kingman Quadrangle are by far the most populated. Kingman and Bullhead City are the largest towns in the area, having a combined population of about 58,000 people.
Light-colored volcanic tuff or tuffaceous sandstone often contains small amounts of uranium, enough to be detected with a sensitive radiation detector. Sometimes, the mass effect of the radiation is substantial.
The Great Basin, first named by Capt. John Fremont in 1843, consists of a vast region of internal drainage, occupying most of Nevada and western Utah, and parts of California, Oregon, and Idaho.
We panned out maybe three gold pans of the material and we were shocked at the gold that was there. This rock appeared to be rich.
We spent the morning in a meeting with one of the higher-ups at the US Forest Service. I presented him with 412 complaints received from our readers, along with a summary of the complaints to make his job easier.
On July 6, 2001, US Forest Service (USFS) Chief Dale Bosworth announced that the roadless rule would be revisited by publishing the following information in the Federal Register. -Ed
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