tailings
121Iron ore — Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey, bright yellow, deep purple, to rusty red. The iron itself is usually found in the …
122Rare earth element — Rare earth ore, shown with a United States penny for size comparison These rare …
123Bodie, California — Bodie   Ghost town   …
124Cobalt, Ontario — Cobalt   Town   Nickname(s): Silver City …
125Land rehabilitation — is the process of returning the land in a given area to some degree of its former state, after some process (industry, natural disasters etc.) has resulted in its damage. Many projects and developments will result in the land becoming degraded,… …
126Cyprus Mines Corporation — Harvey S. Mudd, co founder president, Cyprus Mines Corporation The Cyprus Mines Corporation was an early twentieth century American mining company based in Cyprus. In 1914, Charles G. Gunther began prospecting in the Skouriotissa area after… …
127Acid mine drainage — Yellow boy in a stream receiving acid drainage from surface coal mining. Acid mine drainage (AMD), or acid rock drainage (ARD), refers to the outflow of acidic water from (usually abandoned) metal mines or coal mines. However, other areas where… …
128Comstock Lode — Bonanza ore, Consolidated California and Virginia Mine, Comstock Lode The Comstock Lode was the first major U.S. discovery of silver ore, located under what is now Virginia City, Nevada, on the eastern slope of Mount Davidson, a peak in the… …
