Ads
related to: michigan copper mines tours and travel companies in nairobi germany mapfriendlyplanet.com has been visited by 10K+ users in the past month
Search results
Results from the WOW.Com Content Network
Copper knife, spearpoints, awls, and spade made from copper deposits mined by Native Americans in Wisconsin from the Late Archaic period, 3000 BC-1000 BC.. Native Americans were the first to mine and work the copper of Lake Superior and the Keweenaw Peninsula of northern Michigan between 5000 BCE and 1200 BCE.
Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper: Alabastine Mine: Kent: 1907– gypsum: Arcadian mine: Houghton: 1898–1908: copper
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. These include both large-scale commercial ventures and small operations.
The Adventure Mine is a copper mine in Greenland Township, near Greenland, Michigan in Ontonagon County, Michigan [1] that operated from 1850 to 1920. [2] The mine has five shafts. It is open for tours from late May to mid-October, under the operation of the Adventure Mining Company.
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.
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 ...
Hancock, Houghton County, Michigan: Quincy Mining Co. Strataform native copper Closed since 1945. Now part of Keweenaw National Historical Park: Cliff: Keweenaw County, Michigan: Pittsburgh & Boston Mining Co. Vein native copper Productive 1845 to 1887 Victoria Mine: Victoria, Ontonagon County, Michigan: Victoria Copper Mining Company Closed in ...
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
Ads
related to: michigan copper mines tours and travel companies in nairobi germany mapfriendlyplanet.com has been visited by 10K+ users in the past month