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The Copper Queen Mine was a copper mine in Cochise County, Arizona, United States. Its development led to the growth of the surrounding town of Bisbee in the 1880s. Its orebody ran 23% copper, an extraordinarily high grade. [2] It was acquired by Phelps Dodge in 1885. In the early 1900s, this was the most productive copper mine in Arizona. [3]
Malachite specimen from the Copper Queen Mine, Bisbee, Arizona. Dr Douglas saved many of the best mineral specimens from the Copper Queen for his personal collection. His family later donated many of them to the Smithsonian. Andrew Ketcham Barnett (1852–1914), principal, Penzance School of Mines
In the late 1880s early 90s, with the success of the Copper Queen and backing of Phelps Dodge partners, Dr Douglas acquired for them additional property and built up other spectacular copper mines, including the Detroit Copper Company at Morenci Arizona, the Moctezuma Copper Company [20] at Nacozari, Sonora Mexico, and the United Globe–Old ...
By 1907, the C&A was the fourth-most productive copper mine in Arizona, and ran its own smelter in Douglas, Arizona. [5] Phelps Dodge started mining the Lavender open pit in the early 1950s. [4] The Lavender pit closed in 1974. The Copper Queen mine, Bisbee's first working mine, was also its last.
Following is a list of minerals that serve as copper ores in the copper mining process: [1] Image Name Formula % Copper when pure Chalcopyrite: CuFeS 2: 34.5 Chalcocite:
Among other notable specimens on display were a 596-pound (270 kg) topaz, a 4.5 ton block of blue azurite/malachite ore that was found in the Copper Queen Mine in Bisbee, Arizona at the start of the 20th century; [13] and a rare, 100 carat (20 g) orange-colored padparadschan sapphire from Sri Lanka, considered "the mother of all pads."
With minerals in short supply on Earth, private companies such as California-based AstroForge and international space agencies are turning to the prospect of asteroids in space.
George Warren (c. 1835–1893) [1] worked as a prospector in the Tombstone and Bisbee, Arizona region during the late 19th century. He is credited with having located the body of copper ore, which later was known as the Copper Queen Mine, one of Arizona's most productive copper mines.