copper disseminated through rock

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• Copper mining in the United States — US primary copper production 1900 2008. Source: USGS …   Wikipedia

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• porphyry copper deposit — A large body of igneous rock, having distinct crystals in a relatively fine grained base, that contains chalcopyrite and other sulfide minerals. These deposits contain vast amounts of ore that averages a fraction of 1% copper by weight; although… …   Universalium

• Cumulate rock — Cumulate rocks are igneous rocks formed by the accumulation of crystals from a magma either by settling or floating. Cumulate rocks are named according to their texture; cumulate texture is diagnostic of the conditions of formation of this group… …   Wikipedia

• Central Asian arts — Literary, performing, and visual arts of Afghanistan, Azerbaijan, Kazakhstan, Kyrgyzstan, Mongolia, Nepal, Tibet, Turkmenistan, Uzbekistan, and parts of China and Russia. The term usually denotes only those traditions not influenced by the… …   Universalium

• Europe, history of — Introduction       history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …   Universalium

• Mining industry of Russia — The mineral industry of Russia is one of the world s leading mineral industries and accounts for a large percentage of the Commonwealth of Independent States production of a range of mineral products, including metals, industrial minerals, and… …   Wikipedia

• Geology of Alderley Edge — Infobox Mountain Name = Alderley Edge Photo = Stormy Point 1993.jpg Caption = Stormy Point Elevation = 183 m (600 ft) Location = Cheshire, ENG Range = Prominence = Coordinates = Topographic OS Landranger 118 Grid ref UK = SJ870760 Grid ref… …   Wikipedia

• mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

• Mineral industry of Russia — Russia is one of the world’s leading mineral producing countries and accounts for a large percentage of the CIS’s production of a range of mineral products, including metals, industrial minerals, and mineral fuels. In 2005, Russia ranked among… …   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