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This is a partial list of current and defunct mines in Ashland. Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper
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.
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 ...
13-oz. nugget of native copper, Keweenaw County, Michigan.Size 9.5 x 8.6 x 1.7 cm. Native copper from the Keweenaw Peninsula Michigan about 2.5 inches (6.4 cm) long. Copper Country is highly unusual among mining districts in that the copper mined was predominantly in its elemental ("native") form, rather than in the form of compounds (mostly oxides and sulfides) that form the basis of the ...
The Upper Peninsula's mines produced more mineral wealth than the California Gold Rush, especially after shipping was improved by the opening of the Soo Locks in 1855 and docks in Marquette in 1859. The Upper Peninsula supplied 90% of America's copper by the 1860s.
Early mining used open-pit mining methods, but was replaced with underground mining by 1880. [3] The Marquette Iron Range was discovered in 1844 by a party of surveyors led by William A. Burt, who found that their sensitive magnetic compasses produced skewed results because of the concentration of iron in the land they were surveying. [1]
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 ...
The Back Forty Mine is a proposed open-pit metallic sulfide mine targeting gold and zinc deposits in Menominee County in the South Central part of Michigan's Upper Peninsula next to the Menominee River. Aquila Resources submitted its first permit applications to the state of Michigan in 2015. [1]