bucket-wheel (overburden) excavator

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• Bucket-wheel excavator — Bucket wheel excavators are heavy equipment used in surface mining and civil engineering. They are among the largest vehicles ever constructed, and the biggest bucket wheel excavator ever built, the MAN Takraf RB293, is the largest terrestrial… …   Wikipedia

• Dragline excavator — Page 725 dragline at Turkish Coal Association Yenikoy Open Pit Coal Mine, Milas …   Wikipedia

• coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …   Universalium

• 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

• Surface mining equipment —   An Auger machine is a large, horizontal drill, generally 3 feet or more in diameter and up to about 100 feet long. It can remove coal at a rate of more than 25 tons per minute.   A bucket wheel excavator is a continuous digging machine equipped …   Energy terms

• Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo …   Wikipedia

• Surface mining — is a type of mining in which soil and rock overlying the mineral deposit are removed. It is the opposite of underground mining, in which the overlying rock is left in place, and the mineral removed through shafts or tunnels. Surface mining is… …   Wikipedia

• Bagger 288 — The Bagger 288 (Excavator 288), built by the German company Krupp for the energy and mining firm Rheinbraun, is a bucket wheel excavator. More specifically, it is a mobile strip mining machine. When its construction was completed in 1978, Bagger… …   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

• Topic outline of mining — For a more comprehensive list, see the List of mining topics. Mining is the extraction of valuable minerals or other geological materials from the earth, usually (but not always) from an ore body, vein or (coal) seam. Materials recovered by… …   Wikipedia

• Outline of mining — The following outline is provided as an overview of and topical guide to mining: Mining – extraction of valuable minerals or other geological materials from the earth, usually (but not always) from an ore body, vein or (coal) seam. Any material… …   Wikipedia