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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.
Copper ore, open pit, heap leached 10–15 (2018) [9] 17 Miami: Gila County, Arizona: Freeport-McMoRan: Copper ore, leached 5 (2021) [2] 18 Carlota Gila County, Arizona: KGHM Polska Miedź: Porphyry copper open pit, producing copper cathode 3.2 (2018) [10] 19 Pumpkin Hollow (see Anaconda) Lyon County, Nevada: Nevada Copper
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).
Many copper mines have existed in the Copper Country of the U.S. state of Michigan. These include both large-scale commercial ventures and small operations. There are hundreds of ancient mining pits in and around the Copper Country area, especially on Isle Royale (several of these were developed).
Side-by-side map of smelter site in 1898 and 1907; more than a dozen buildings were built the first year The Quincy Smelter circa 1906. The Quincy Mining Company incorporated in 1848. [2] Like other mines in the area, Quincy had its own stamp mills, but did not produce enough copper to justify the investment of operating its own smelter.
Pages in category "Copper mines in Michigan" The following 16 pages are in this category, out of 16 total. This list may not reflect recent changes. A. Adventure Mine;
Map all coordinates using OpenStreetMap. ... copper Wolverine Mine: Keweenaw: 1882–1922 ... List of mines in Michigan.
The Delaware Mine is located off U.S. Highway 41, 12 miles (19 km) in Grant Township, Keweenaw County, south of Copper Harbor, Michigan and is a Keweenaw Heritage Site. [1] [2] The Delaware Copper Mine provides tours of one of the oldest copper mines in the Keweenaw, [2] dating back to 1847. The mine had five shafts, with the deepest reaching ...