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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 pounds of nickel, 429 million pounds of copper and small amounts of other metals (platinum, palladium ...
Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper: Alabastine Mine: Kent: 1907– gypsum: Arcadian mine: Houghton: 1898–1908: copper
These mines were mainly of the underground shaft type, which were among the deepest iron mines in the country. Due to these characteristics, and the greater associated costs involved with extracting the ore, these mines were unable to compete economically with the larger open pit iron mines in northern Minnesota and elsewhere.
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.
This list of deepest mines includes operational and non-operational mines that are at least 2,212 m (7,257 ft), which is the depth of Veryovkina Cave, the deepest known natural cave in the world. The depth measurements in this list represent the difference in elevation from the entrance of the mine to the deepest excavated point.
Evergreen Bluff mine - Mass City, Ontonagon County; Flintsteel mine (formerly known as the Nassau mine, Old Flintsteel mine, and the Superior-Nassau Superior mine) - Mass City, Ontonagon County; Florida mine - Florida location, Houghton County; Franklin mine - Franklin; bought by the Quincy Mining Company in 1908
Copper mines in Michigan (16 P) Pages in category "Mines in Michigan" The following 12 pages are in this category, out of 12 total.
The Jackson Mine is an open pit iron mine in Negaunee, Michigan, extracting resources from the Marquette Iron Range. The first iron mine in the Lake Superior region, [ 3 ] Jackson Mine was designated as a Michigan State Historic Site in 1956 [ 2 ] and listed on the National Register of Historic Places in 1971. [ 1 ]