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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.
Native copper nugget from glacial drift, Ontonagon County, Michigan. An example of the raw material worked by the people of the Old Copper Complex. The Old Copper complex or Old Copper culture is an archaeological culture from the Archaic period of North America's Great Lakes region. Artifacts from some of these sites have been dated from 6500 ...
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).
The Minong Mine is a historic mine site located west of McCargoe Cove campground on Isle Royale National Park, Michigan, United States. The district contains both the remnants of a 19th-century copper mine and remains of pre-contact mining activity. [ 3 ]
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] The mine is open June ...
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.
Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper: Alabastine Mine: Kent: 1907– gypsum: Arcadian mine: Houghton: 1898–1908: copper
Cliff mill - Clifton, Michigan; Copper Falls mill - Southwest of Eagle Harbor, Michigan; Delaware mill - Delaware, Michigan; Dodgeville mill and pits - Dodgeville, Michigan; Humboldt mill - In Champion, Michigan. Planned to be used as a part of the new Eagle mine project; Huron mill; Isle Royale mill - Two miles east of Houghton, Michigan