The Ely Copper-Gold District of Nevada
January 2015 by Chris RalphThe main ore deposits of the Ely district are associated with an east-west belt of altered and mineralized rocks measuring about one mile wide that extends 8 miles westward from Ely.
Heclas’s underground Lucky Friday Mine in Idaho is scheduled to reopen following a series of accidents, which included the death of two miners.
The $800 million project will provide 300 jobs during production. It will be the only US mine where nickel is the primary targeted mineral, with about 360 million pounds to be extracted.
Few areas of the world have a mining history comparable to Canada’s Yukon Territory thanks to the fabled Klondike Gold Rush, which took place from the late 1890s into the early years of the Twentieth Century. Tens of thousands of prospectors and treasure hunters poured into the Territory following the discovery of placer gold...
For the prospector, knowing what oxidized hydrothermal alteration looks like in the field is an important exploration tool.
According to some experts, after the peak is reached, the production rate will slowly decline until it reaches near zero while the price shoots upward. At that point, we will have pretty much mined all the economic ore deposits that are present on the planet.
Nevada gold mines produced only about 6 percent more gold in 2010 than they did the year before, but the value of that gold was up a whopping 33 percent.
Alaska is in the midst of assessing its rare-earth resources, an effort pushed by Governor Sean Parnell, who sees them as another example of where the US is reliant on foreign sources to meet its needs.
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