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The Michigan Limestone and Chemical Company operated the world's largest limestone quarry (Michigan Limestone; a/k/a the "Calcite Quarry"; "Calcite Plant and Mill"; and "Carmeuse Lime and Stone"), which is located near Rogers City in Presque Isle County, Michigan. It was formed and organized in 1910; however, production did not begin until 1912.
Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper: Alabastine Mine: Kent: 1907– gypsum: Arcadian mine: Houghton: 1898–1908: copper
The geology of the district consists of middle Precambrian rocks in the Animikie Group, which form a westward plunging syncline 33 miles (53 km) long and 3 to 6 miles (4.8 to 9.7 km) wide. The principal iron ore is found in the Negaunee Iron formation. This formation is 2,500 feet (760 m) thick near Negaunee. This is a magnetite or hematite chert.
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 ...
This series of lava "is at least 15,000 feet thick in the Michigan copper district" and consists of "several hundred flood basalt flows." The district rocks are Precambrian in age and belong to the Keweenawan Series. The first six years of mining exploited the fissure deposits, then gave way to the amygdaloidal deposits.
The Detroit salt mine is a salt mine located 1,100 ft (340 m) below Detroit, Michigan. [1] The mine opened in 1910 and covers 1,500 acres (610 ha) underground. [2] In the beginning, the leather and food industries were the primary customers. Today, road deicing salt is the primary product. [3]
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The Minesota Mine is a former copper mine near Rockland, Ontonagon County in the Upper Peninsula of the U.S. state of Michigan.The Minesota (the single "n" in the name was a mistake in the original incorporation papers) was one of the most productive and famous early mines in the Michigan Copper Country.
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