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Copper mining in the Upper Peninsula boomed, and from 1845 until 1887 (when it was exceeded by Butte, Montana) the Michigan Copper Country was the nation's leading producer of copper. In most years from 1850 through 1881, Michigan produced more than three-quarters of the nation's copper, and in 1869 produced more than 95% of the country's copper.
Sign commemorating the Ontonagon Boulder Location of Ontonagon Boulder. The Ontonagon Boulder (/ˌɒntəˈnɑːɡən ˈboʊldəɹ/, Chippewa: Misko-biiwaabik) is a 3,708-pound (1,682 kg) boulder of native copper originally found in the Upper Peninsula of Michigan, United States, and now in the possession of the Department of Mineral Sciences, National Museum of Natural History, Smithsonian ...
Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper: Alabastine Mine: Kent: 1907– gypsum: Arcadian mine: Houghton: 1898–1908: copper
Calumet (/ ˌ k æ l j uː ˈ m ɛ t / ⓘ KAL-yoo-MET or locally / ˌ k æ lj ə ˈ m ɛ t / KAL-yə-MET) is a village in the Upper Peninsula of the U.S. state of Michigan. The village is located within Calumet Township, Houghton County, and had a population of 621 at the 2020 census. Calumet was once the center of Michigan's copper mining ...
Franklin Jr. mine (originally the Albany and Boston mine; then the Peninsula mine) - Ripley, Houghton County; Halliwell mine - Porcupine Mountains, Ontonagon County; Hancock mine - Hancock, Houghton County Dupuis shaft; Hanover mine - Copper Harbor, Keweenaw County; Hays mine (originally the Pittsburg and Boston mine) - Copper Harbor, Keweenaw ...
Part of the greater landmass of the Upper Peninsula, the Keweenaw Peninsula projects about 65 miles (105 km) northeasterly into Lake Superior, forming Keweenaw Bay. The peninsula is part of Michigan's Copper Country region, as the region was home to the first major copper mining boom in the United States. Copper mining was active in this region ...
The mine was the first Michigan copper mine to switch from fissure mining to amygdaloid mining, when the recently discovered Pewabic amygdaloid lode was found to cross Quincy property in 1856. [9] High-grade fissure veins contained large, pure masses of copper, but the masses could take days or even months to extract, at high cost.
The Eagle Mine is a small, high-grade nickel mining and copper mining project owned by Lundin Mining. The mine is located on the Yellow Dog Plains in the Upper Peninsula of Michigan in the United States. Eagle is the only primary nickel mine in the United States. The mine began production in fall 2014 and is expected to produce 440 million ...
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