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Gratiot Copper mine - Gratiot location, Keweenaw County; Dana mine - Central; Datolite mine - Isle Royale, Keweenaw County; Delaware mine - the abandoned town of Delaware, Keweenaw County, twelve miles south of Copper Harbor Delaware Fissure mine; Dover mine - Dover location; Dorchester Mining Company mine - Houghton County
The Delaware Mine is located off U.S. Highway 41, 12 miles (19 km) in Grant Township, Keweenaw County, south of Copper Harbor, Michigan and is a Keweenaw Heritage Site. [1] [2] The Delaware Copper Mine provides tours of one of the oldest copper mines in the Keweenaw, [2] dating back to 1847. The mine had five shafts, with the deepest reaching ...
[6] [9] An early 20th-century pastime was a trip and picnic to the Copper Mine Gulch, which runs through the town. [7] The town was originally known as Woodville due to its timber industry, although the sawmills closed by the 1870s. [10] The name was changed to Dogtown, as that was a popular name among locals.
The Pahaquarry Copper Mine is an abandoned copper mine located on the west side of Kittatinny Mountain presently in Hardwick Township [2] in Warren County, New Jersey in the United States. Active mining was attempted for brief periods during the mid-eighteenth, mid-nineteenth, and early twentieth centuries but was never successful despite ...
The town went through boom periods during the two World Wars, when demand for copper went up again. By the time the mines closed in 1946, according to the U.S. Bureau of Mines, they had produced 72,598,883 pounds of copper worth over $12 million (equivalent to $187,000,000 in 2023). No copper mining has been done since.
San Francisco Mining District was created on August 12, 1871, in the Utah Territory 's San Francisco mountain range in Beaver County. At that time, galena was the primary ore being mined in the area. The Horn Silver Mine was established in 1875, and was the beginning of the silver mining in the range. [2]
Underground mine producing nickel and copper concentrates 18 (2018) [8] 15 Phoenix Lander County, Nevada: Newmont Mining Corporation: Gold-copper ore, concentrated and leached 16 (2018) [6] 16 Lisbon Valley San Juan County, Utah: Lisbon Valley Mining Company Copper ore, open pit, heap leached 10–15 (2018) [9] 17 Miami: Gila County, Arizona ...
The mine was started as the Chino Copper Company in 1909 by mining engineer John M. Sully and Spencer Penrose, [1] [2] [3] and is currently owned and operated by Freeport-McMoRan Inc. subsidiaries. The area where the mine is located is at an average elevation of 5,699 feet (1,737 m).