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Bisbee turquoise, also known as Bisbee Blue, is amongst the finest turquoise found anywhere in the world. [2] Mining operations in the pit ended in 1974. The undeveloped Cochise deposit, located immediately north of the Lavender pit, contains an estimated 190 million tons of rock containing 0.4% acid-soluble copper, [ 3 ] which may be mined in ...
Bisbee turquoise can be found in many different shades of color and quality, from soft, low quality pale blue, to the quality hard brilliant blue turquoise and almost every shade of blue in between. The highest grade of Bisbee Blue turquoise is almost lapis lazuli blue and has a brownish-red spiderweb matrix. Green turquoise is also found in ...
Arizona is currently the most important producer of turquoise by value. [8] Several mines exist in the state, two of them famous for their unique colour and quality and considered the best in the industry: the Sleeping Beauty Mine in Globe ceased turquoise mining in August 2012. The mine chose to send all ore to the crusher and to concentrate ...
The mines reopened in 1915 due to World War I's increased demand for the molybdenum and vanadium found in the area. When the war was over, the prices fell, and the mines closed again in 1919. [ 4 ] Shortly thereafter, the Mammoth Mine property was purchased by Sam Houghton, who renamed both the mine and the town after his college mascot, the ...
The area was home to the town and mining camp of Castle Dome based around the Castle Dome Mine which first produced silver and later lead. The post office opened in 1875 and closed in 1876. [5] [6] Castle Dome ghost town is now a museum site, the Castle Dome Mines Museum, with twenty or so restored period buildings. [7] [8]
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The Mineral Park mine is a large open-pit copper mine located in the Cerbat Mountains, 14 mi (23 km) northwest of Kingman, Arizona (in the southwestern United States). A 2013 report said that Mineral Park has an estimated reserves of 389 million t (383 million long tons; 429 million short tons) of ore grading 0.14% copper and 31 million oz (1.9 ...
Mines in Arizona — historic and present day sites of mining operations in Arizona; Subcategories. This category has the following 2 subcategories, out of 2 total. ...