- massive quartz veins
-
мощные кварцевые жилы
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Quartz — This article is about the mineral. For other uses, see Quartz (disambiguation). Quartz Quartz crystal cluster from Tibet General Category … Wikipedia
Gold mining in Alaska — Gold mining in Alaska, a state of the United States, has been a major industry and impetus for exploration and settlement since a few years after the United States acquired the territory from Russia. Russian explorers discovered placer gold in… … Wikipedia
Porcupine Gold Rush — An area involved in the Klondike Gold Rush was known as the Porcupine Mining District , but is unrelated. The Porcupine Gold Rush was a gold rush that took place in northern Ontario, Canada starting in 1909 and developing fully by 1911. A… … Wikipedia
mineral deposit — Introduction aggregate of a mineral in an unusually high concentration. About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… … Universalium
Copper mining in the United States — US primary copper production 1900 2008. Source: USGS … Wikipedia
Confederate Gulch and Diamond City — Confederate Gulch is a steeply incised valley on the west facing slopes of the Big Belt Mountains. Its small stream drains westward into Canyon Ferry Lake, on the upper Missouri River Valley near present day Townsend, Montana. In 1864 Confederate … Wikipedia
Gold mining in the United States — has taken place since the discovery of gold at the Reed farm in North Carolina in 1799.In 2006 the United States produced approximately 8.360 million troy ounces (260 tonnes) of gold, making it the second or third largest gold producing nation,… … Wikipedia
Ore genesis — The various theories of ore genesis explain how the various types of mineral deposits form within the Earth s crust. Ore genesis theories are very dependent on the mineral or commodity. Ore genesis theories generally involve three components:… … Wikipedia
Porphyry copper deposit — Porphyry copper deposits are copper orebodies which are associated with porphyritic intrusive rocks and the fluids that accompany them during the transition and cooling from magma to rock. Circulating surface water or underground fluids may… … Wikipedia
Cape May, New Jersey — This article is about the city of Cape May. For other uses, see Cape May (disambiguation). Cape May, New Jersey City (New Jersey) Welcome sig … Wikipedia
Mother lode — For the band, see Motherlode (band). For the 1982 film, see Mother Lode (film). For the album by Sara Hickman, see Motherlode (album). Crystalline gold specimen from the California Mother Lode, probably from Tuolumne County. Size: 5.3 x 2.7 x 2.4 … Wikipedia