Copper mining in the United States the northwest part of the state in the early 1850s, and mining began in 1855. The ore is massive sulfide and disseminated ore in mica schist and gneiss, and amphibole schist and gneiss. The principal ore mineral is chalcopyrite, which occurs with pyrrhotite and pyrite, The mine operated until 1883, then worked sporadically until large-scale mining began in 1957. The mine closed for good in 1962. Total production was 31,000 tonnes of copper, 9,400 ounces of gold, and 145,000 ounces of silver. Copper was mined at Creta from 1965 to about 1975. The ore 2% to 4.5% copper as chalcocite
Thicketty Mountain Ore Pits (38CK74) Thicketty Mountain Ore Pits (38CK74) Thicketty Mountain Ore Pits (38CK74) is a historic archaeological site located near Shady Grove Church, Cherokee County, South Carolina. The site includes iron ore pits associated with the South Carolina Manufacturing Company, a major iron manufacturing company that operated in Spartanburg County between about 1825 and about 1850. The iron ore pits or surface mines cover several forested acres along a gently sloping ridge and are generally depressions about two to three meters deep and about five to ten meters across. The pits were last operational in the 1850s. It was listed in the National