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The Fernald Feed Materials Production Center (commonly referred to simply as Fernald or later NLO) is a Superfund site located within Crosby Township in Hamilton County, Ohio, as well as Ross Township in Butler County, Ohio, in the United States. [1] It was a uranium processing facility located near the rural town of New Baltimore, about 20 ...
In the United States, copper mining has been a major industry since the rise of the northern Michigan copper district in the 1840s. In 2017, the US produced 1.27 million metric tonnes of copper, worth $8 billion, making it the world's fourth largest copper producer, after Chile, China, and Peru. Copper was produced from 23 mines in the US.
The Eastern Kentucky Coalfield covers 31 counties with a combined land area of 13,370 sq mi (34,628 km 2), or about 33.1 percent of the state's land area. Its 2000 census population was 734,194 inhabitants, or about 18.2 percent of the state's population. The largest city, Ashland, has a population of 21,981. Other cities of significance in the ...
Porphyry copper deposits represent an important resource and the dominant source of copper that is mined today to satisfy global demand. [6] Via compilation of geological data, it has been found that the majority of porphyry deposits are Phanerozoic in age and were emplaced at depths of approximately 1 to 6 kilometres with vertical thicknesses on average of 2 kilometres. [6]
Robinson Mine. The Robinson Mine is a porphyry copper deposit located at Ruth, White Pine County, Nevada, in the Egan Range, 4 miles (6.4 km) west of Ely. The mine comprises three large open pits: Liberty, Tripp-Veteran and Ruth. The ore is extracted using conventional surface methods, and is then processed into a copper-gold concentrate, and a ...
543-S Deposit - near Deer Lake, Keweenaw County. Adventure mine - Greenland. Aetna Exploration Copper mine - Keweenaw County. Aetna mine - Keweenaw County. Agate Harbor mine - Agate Harbor, Keweenaw County. Agency mine - Keweenaw County. Ahmeek mine - Ahmeek, Keweenaw County. Albion mine (originally the Manhattan Mine) - Keweenaw County.
Çöpler mine. / 39.426; 38.522. The Çöpler mine ( Turkish: Çöpler Altın Madeni) is a gold mine located in Erzincan Province, eastern Turkey. It is owned and operated by the Anagold Mining Inc., established in 2009. Explored in 1999, it is on an epithermal [ 1] gold-silver-copper ore deposit, one of the largest in Turkey and in the world.
References. [2][3][4][5][6] Chalcopyrite (/ ˌkælkəˈpaɪˌraɪt, - koʊ -/ [7][8] KAL-kə-PY-ryte, -koh-) is a copper iron sulfide mineral and the most abundant copper ore mineral. It has the chemical formula CuFeS 2 and crystallizes in the tetragonal system. It has a brassy to golden yellow color and a hardness of 3.5 to 4 on the Mohs scale.