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The White Pine mine produced copper until 1995. In its early days the company was known for its use of advanced mining and transport systems (not all of which worked very well) including the Dashaveyor , a high speed transportation system, and what was at the time the world's largest hard rock tunneling machine to be sold to a mining company. [ 4 ]
White Pine is an unincorporated community and census-designated place (CDP) in Ontonagon County in the U.S. state of Michigan. The CDP had a population of 474 at the 2010 census. [3] White Pine is located within Carp Lake Township. Much of White Pine was developed in the 1950s as a company town for miners at the White Pine mine. Mining ...
Spectacular specimen of elongated, spinel-twinned copper crystals from the old White Pine mine. The copper-bearing Nonesuch Shale at the south end of the Copper Country in Ontonagon County had been known since the 1800s. But the ore grades were too low, the ore mineral particles too small, and the copper was largely in sulfides instead of ...
North's Copper Pit - Houghton County; North American Mine - Phoenix, Keweenaw County; North Cliff Mine - Keweenaw County; North Kearsarge mine - Kearsarge and Ahmeek; North Lake Mine - Ontonagon County; Northwestern mine - Central; Nonesuch mine - White Pine, Ontonagon County; operated from 1867 to 1912; Ohio and Isle Royale mine - Isle Royale ...
The last copper mine in the Copper Country was the White Pine mine, which closed in 1995. Marquette County sits along the Marquette Iron Range, which sent out a significant portion of the iron ore mined in the United States for many years. [61] As of 2020, Marquette County is home to one remaining iron ore mine and one nickel and copper mine.
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 ...
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The Copper Country strike of 1913–1914 was a major strike ... That left the White Pine mine as the only remaining Copper Country mine in production; the White Pine ...