Prospecting for Copper
May 2004 by John RothermelThis article deals with copper exploration, but it is relevant to exploration for other minerals. I will use the geology of the Copper Creek area in Pinal County, Arizona, as an example.
Within a few minutes I got my first signal and dug out a small flake about three grains.
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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.
The Keystone district includes a group of mineralized shear zones and veins that are associated with the Keystone Quartz Diorite in the Medicine Bow Mountains of southwestern Wyoming. Gold production from this district is unknown, although some estimates suggest that 7,500 to more than 12,000 ounces were produced.
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Located 23 miles south of Libby, the land surrounding the Libby Creek area has been of interest to prospectors since the early 1860s, when it was home to up to 600 miners working at a camp known as Libbysville.
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