- concentrated mining
- 集中开采
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
Mining archaeology in British Isles — Mining Archaeology is a specific field well developed in the British Isles during recent decades. A reason of ongoing interest in this field is the particular bond between regional history and the exploitation of metals. References to mines in… … Wikipedia
Mining Association of the United Kingdom — Formation 1946 Legal status Non profit company Purpose/focus Mining businesses in the United Kingdom Location Expert House, Sandford Street, Lichfield, Staffordshire, WS13 6QA … Wikipedia
Mining in South Africa — has been the main driving force behind the history and development of Africa s most advanced and richest economy. Large scale and profitable mining started with the discovery of a diamond on the banks of the Orange River in 1867 by Erasmus Jacobs … 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 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 and metallurgy in medieval Europe — The Middle Ages in Europe cover the time span from the 5th c. AD, marked by the decay of the Roman Empire, to the 16th c. AD, when social and economic factors shifted Europe towards the Modern Era. During the millennium between classical… … Wikipedia
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 Sierra Leone — Diamond miners in Kono District The mining industry of Sierra Leone accounted for 4.5 percent of the country s GDP in 2007[1] and minerals made up 79 percent of total export revenue with diamonds accounting for 46 percent of export revenue in… … Wikipedia
Mining industry of Niger — Known and exploited Mineral resources of Niger, data derived from US Geological Survey. Colored circles represent current mining centers. Unexploited but proved resources in parentheses. * Gold: Au * Coal: C * Diamond: Dm * Iron ore: Fe *… … Wikipedia
Mining industry of South Africa — Premier Diamond Mine, Cullinan, Gauteng, South Africa Mining in South Africa has been the main driving force behind the history and development of Africa s most advanced and richest economy. Large scale and profitable mining started with the… … Wikipedia