Search results
Results from the WOW.Com Content Network
Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper: Alabastine Mine: Kent: 1907– gypsum: Arcadian mine: Houghton: 1898–1908: copper
This list of gold mines in the United States is subsidiary to the list of mines article and lists working, defunct and future mines in the country and is organised by the primary mineral output. For practical purposes stone, marble and other quarries may be included in this list.
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 Back Forty Mine is a proposed open-pit metallic sulfide mine targeting gold and zinc deposits in Menominee County in the South Central part of Michigan's Upper Peninsula next to the Menominee River. Aquila Resources submitted its first permit applications to the state of Michigan in 2015. [1]
South Carolina had a number of lode gold mines along the Carolina Slate Belt. [42] The Haile deposit was discovered in Lancaster County in 1827, and at least 257,000 troy ounces (8,000 kg) of gold were extracted intermittently between then and 1942, when the gold mine was ordered closed as nonessential to the war effort. Beginning in 1951, the ...
Some mines continued to operate into the 1960s, but the volume never reached the same levels as in the earlier boom years. A defining event was the last shipment of iron ore in August 1967 to Granite City Steel in Illinois. Approximately 325 million tons of this ore was mined from around 40 individual mines between 1877 and 1967.
The Alabaster Historic District is a 400-acre mining complex in Iosco County, Michigan, centered on an open pit gypsum mine.It is bounded by on the east by Lake Huron, on the north by Gypsum Road, on the south by Keystone Road, and on the west by Rempert Road, south of Tawas City, the county seat.
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.