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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.
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 ...
Regarding copper, its weight in a generator will vary according to the type of generator, power rating, and configuration. Its weight has an almost linear relationship to the power rating. Generators in direct-drive wind turbines usually contain more copper, as the generator itself is bigger due to the absence of a gearbox. [53]
The mines of the Keweenaw native copper deposits of Upper Michigan were major copper producers in the 19th and early 20th centuries, and are the largest deposits of native copper in the world. [6] Native Americans mined copper on a small scale at this and many other locations, [ 7 ] and evidence exists of copper trading routes throughout North ...
The Udokan mine is a large copper mine located in the south of Russia in Zabaykalsky Krai, around 30 km south of the town of Novaya Chara on the Baikal Amur Mainline. The mine is part of the Udokan Ore Region that includes the Udokan, Kalar and Kodar ranges. [1] The Udokan Ore Region represents the largest copper deposit in Russia and third ...
Mirador mine. 137 Million lbs of copper; 34,000 oz gold; and 394,000 oz silver per year. [2] The Mirador mine is a large copper mine located in the Amazonian province of Zamora-Chinchipe in southern Ecuador. It is one of the largest copper reserves in Ecuador, [1] and the first industrial-scale copper project to be developed in the country.
An explosively pumped flux compression generator (EPFCG) is a device used to generate a high-power electromagnetic pulse by compressing magnetic flux using high explosive. An EPFCG only ever generates a single pulse as the device is physically destroyed during operation. They require a starting current pulse to operate, usually supplied by ...
The Kupferschiefer (German for Copper Shale, also called Copper Slate) [1][2] or Kupfermergel (Copper Marl), (T1 or Z1) [3] is an extensive and remarkable sedimentary unit in Central Europe. The relatively monotonous succession is typically 30 to 60 centimetres (12 to 24 in) and maximum 2 metres (6.6 ft) thick, but extends over an area of ...