- copper silver
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медистое серебро
English-Russian dictionary of geology. 2011.
copper silver
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Copper-silver ionization — Copper electron shell … Wikipedia
Silver mining in the United States — began on a major scale with the discovery of the Comstock Lode in Nevada in 1858. The industry suffered greatly from the demonetization of silver in 1873 by the Crime of 73, but silver mining continues today.The United States produced 1,200… … Wikipedia
Silver mining in Colorado — Silver mining in Colorado, a state of the United States has taken place since the 1860s. In the past, Colorado called itself the Silver state . (Nevada also calls itself the Silver state ; in reality, the US state which has produced the most… … Wikipedia
Copper mining in the United States — US primary copper production 1900 2008. Source: USGS … Wikipedia
silver processing — Introduction preparation of the ore for use in various products. Silver has long been valued for its white metallic lustre, its ability to be readily worked, and its resistance to the corrosive effects of moisture and oxygen. The… … Universalium
silver — silverer, n. silverish, adj. silverless, adj. silverlike, adj. silverness, n. /sil veuhr/, n. 1. Chem. a white, ductile metallic element, used for making mirrors, coins, ornaments, table utensils, photographic chemicals, conductors, etc. Symbol:… … Universalium
Silver — /sil veuhr/, n. Abba Hillel /ab euh/, 1893 1963, U.S. rabbi, born in Lithuania. * * * I Metallic chemical element, one of the transition elements, chemical symbol Ag, atomic number 47. It is a white, lustrous precious metal, valued for its beauty … Universalium
Copper — For other uses, see Copper (disambiguation) … Wikipedia
Copper mining in Arizona — Position of Arizona Location State Arizona … Wikipedia
Copper wire and cable — Copper has been used in electric wiring since the invention of the electromagnet and the telegraph in the 1820s.[1][2] The invention of the telephone in 1876 proved to be another early boon for copper wire.[3] Today, despite competition from… … Wikipedia
Silver mining in Arizona — was a powerful stimulus for exploration and prospecting in early Arizona. Cumulative silver production through 1981 totaled 490 million troy ounces (15 million kg). [Melissa Keane and A. E. Rogge (1992) Gold Silver Mining in Arizona, Arizona… … Wikipedia
