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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 ...
Massive Kingman blue turquoise in matrix with quartz from the Mineral Park mine, Arizona, US. Turquoise was among the first gems to be mined, and many historic sites have been depleted, though some are still worked to this day. These are all small-scale operations, often seasonal owing to the limited scope and remoteness of the deposits.
The site was rediscovered in 1809 by Ulrich Jasper Seetzen, and since then has seen several excavation teams, Richard Lepsius's excavation in 1845 being the first. Major C. K. McDonald's visits to the site, including residence at the site from 1854–1866 (and an effort to mine turquoise there) resulted in only surface finds (arrowheads and such) with no further excavation.
Turquoise Hill Resources was a Canadian mineral exploration and development company headquartered in Montreal, Quebec, and since December 2022, a wholly owned subsidiary of Rio Tinto Group. [5] The company was called Ivanhoe Mines until August 2, 2012 when a financing agreement was completed with Rio Tinto . [ 6 ]
New blocks, he suggests, could be cast in place, on top of and pressed against the old blocks. Proof-of-concept tests using similar compounds were carried out at a geopolymer institute in northern France and it was found that a crew of five to ten, working with simple hand tools, could agglomerate a structure of five, 1.3 to 4.5 ton blocks in a ...
Location of Mohave County in Arizona. This is a list of the National Register of Historic Places listings in Mohave County, Arizona.It is intended to be a complete list of the properties and districts on the National Register of Historic Places in Mohave County, Arizona, United States.
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The Mohave Union High School Gymnasium – built in 1936 and located in 301 1st St. It is the only structure in Kingman to use buttresses. The gym also has Kingman's only lamella roof, which is described as "an unusual method of construction in Arizona". It was listed in the National Register of Historic Places on May 14, 1986, reference ...