- longwall retreating
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столбовая система разработки
English-Russian dictionary of geology. 2011.
longwall retreating
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Столбовые системы разработки — (a. pillar mining, longwall retreating; н. Pfeilerbau, Strebbau als Ruckbau; ф. methode d exploitation par piliers longs, methode d exploitation par massifs, metode d exploitation par panneaux; и. sistema de exploration por paneles y… … Геологическая энциклопедия
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
Gundremmingen Nuclear Power Plant — Infobox NPP Picture = Gundremmingen Nuclear Power Plant.jpg Pic des = Unit A (left), Units B and C (right), cooling towers Country = Germany EIGENTÜMER = 75 % RWE 25 % E.ON Utility = Kernkraftwerk Gundremmingen GmbH Built = 1962 Start = April 12 … Wikipedia
Underground mining (soft rock) — refers to a group of underground mining techniques used to extract coal, oil shale and other minerals or geological materials from sedimentary ( soft ) rocks. Because deposits in sedimentary rocks are commonly layered and relatively less hard,… … Wikipedia
Crandall Canyon Mine — Coordinates: 39°27′36″N 111°10′04″W / 39.460000°N 111.167639°W / 39.460000; 111.167639 The Crandall Canyon Mine, formerly Genwal … Wikipedia
Retreat mining — is a term used to reference the final phase of an underground mining technique known as room and pillar mining. This involves excavating a room or chamber while leaving behind pillars of material for support. This excavation is carried out in a… … Wikipedia
