- mining ore grade
- 采矿等级
English-Chinese geology dictionary (英汉地质大词典). 2013.
mining ore grade
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Ore grade — is a measure that describes the concentration of a valuable natural material (such as metals or minerals) in its surrounding ore. Ore grade is used to assess the economic feasibility of a mining operation: the cost of extracting a natural… … 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 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 in Burkina Faso — Mining does not play a significant role in Burkina Faso’s economy. Production of mineral commodities is limited to cement, dolomite, gold, granite, marble, phosphate rock, pumice and related volcanic materials, and salt.Omayra Bermúdez Lugo.… … Wikipedia
Mining in Zambia — Centres of mining operations include Konkola and Kitwe. Contents 1 Mining in Kitwe 1.1 Mopani Copper Mines 1.2 Konkola Copper Mine 1.3 Rokana Mine … Wikipedia
Mining in Bolivia — Mining in Potosí Mining in Bolivia has been a dominant feature of the Bolivian economy as well as Bolivian politics since 1557. Colonial era silver mining in Bolivia, particularly in Potosí, played a critical role in the Spanish Empire and the… … Wikipedia
Ore sorting — refers to the process of separating an ore into separate constituent parts. Today, ore sorters are widely used in industrial mineral mines, diamond mines and base and precious metal mines. Ores are typically sorted to increase the efficiency of… … Wikipedia
Mining in Austria — is an industry on the decline. After a period of postwar expansion, mineral production has stagnated in recent decades, and metals mining continues to decline, because of high operating costs, increased foreign competition, low ore grades, 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 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 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
