alluvial deposit mining


alluvial deposit mining
alluvial deposit mining россыпь

Англо-русский словарь. — М.: Советская энциклопедия. . 1969.

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  • Mining in Cornwall — first began in the early Bronze Age approximately 2,150 BC and ended with the South Crofty tin mine closing in 1998.HistoryMining in Cornwall has existed from the early Bronze Age around 2,150 B.C. Cornwall is thought to have been visited by… …   Wikipedia

  • Mining in New Zealand — began when the indigenous Māori quarried rock such as argillite in times prior to European colonisation.[1] Mining by Europeans began in the latter half of the 19th century. New Zealand has abundant resources of coal, silver, iron ore, limestone… …   Wikipedia

  • Mining industry of Ghana — accounts for 5% of the country s GDP and minerals make up 37% of total exports, of which gold contributes over 90% of the total mineral exports. Thus, the main focus of Ghana s mining and minerals development industry remains focused on gold.… …   Wikipedia

  • Mining in Ghana — Ghana s economy depends largely on exports of cocoa and gold. Other mineral commodities produced in the country were aluminum, bauxite, diamond, manganese, natural gas, petroleum, salt, and silver.Economic impactThe contribution of Ghana’s mining …   Wikipedia

  • Mining in Afghanistan — It is estimated that forty million years ago the tectonic plates of India Europe, Asia and Africa collided in a massive upheaval. This upheaval created the region of towering mountains that now includes Afghanistan. That process also deposited… …   Wikipedia

  • 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

  • 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

  • Mining — This article is about the extraction of geological materials from the Earth. For the municipality in Austria, see Mining, Austria. For the siege tactic, see Mining (military). For name of the Chinese emperor, see Daoguang Emperor. Simplified… …   Wikipedia

  • Mining in Papua New Guinea — Ok Tedi Mine Mining in Papua New Guinea is an important source for the Papua New Guinea economy. Contents 1 History 2 …   Wikipedia

  • Placer mining — (pronounced plass er ) refers to the mining of alluvial deposits for minerals. This may be done by open pit (also called open cast mining) or by various forms of tunneling into ancient riverbeds. Excavation may be accomplished using water… …   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


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