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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.
Delaware Mine entrance. The Delaware Copper Mine is located off U.S. Highway 41 (US 41), 12 miles (19 km) south of Copper Harbor, Michigan. [4] The Delaware Copper Mine provides tours of one of the oldest copper mines in the Keweenaw, [4] dating back to 1846. [18] The mine had five shafts, with the deepest reaching 1,400 feet (430 m). [18]
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 ...
Hollowed Ground: Copper Mining and Community Building on Lake Superior, 1840s-1990s. Detroit: Wayne State University Press. ISBN 978-0-8143-3458-4., focuses on three companies, Calumet & Hecla, Copper Range, and Quincy, in a study of native copper mining and copper-sulfide mining on Upper Michigan's Keweenaw Peninsula. Thurner, Arthur W. (1994).
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 ...
Peninsula mine - Ontonagon County; Pennsylvania Copper Mine - Delaware, Keweenaw County; Petherick mine - Keweenaw County; Pewabic mine - Pewabic, Houghton County; one shaft north of the Quincy Mine; acquired by Quincy in 1891 and renamed to the Quincy #6 shaft; Phoenix mine - Phoenix, Keweenaw County; Pit 69 - Isle Royale, Keweenaw County
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.
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