- pillar caving
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обрушение столба
English-Russian dictionary of geology. 2011.
pillar caving
Смотреть что такое "pillar caving" в других словарях:
El Teniente (mina) — Saltar a navegación, búsqueda División El Teniente, con el poblado de Sewell en el fondo, cercano a Punta de Rieles. La mina El Teniente (formalmante llamada Codelco División El Teniente), es una mina de cobre chile … Wikipedia Español
Mina El Teniente — División El Teniente, con el poblado de Sewell en el fondo, cercano a Punta de Rieles. La mina El Teniente (formalmente llamada Codelco División El Teniente), es una mina de cobre chilena, ubicada bajo el cerro del mismo nombre, en la comuna de… … Wikipedia Español
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
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
Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold … 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
Subsidence — For subsidence in the atmosphere, see subsidence (atmosphere). A road destroyed by subsidence and shear, near Castleton, Derbyshire … Wikipedia
Mopani Copper Mine — Mopani Copper Mines Plc Type Public Company Industry Mining, Materials Founded N/A Headquarters Kitwe, Zambia Key people Emmanuel B Mutati, CEO … Wikipedia
Jeita Grotto — Infobox Cave name = Jeita Grotto photo = Jeitag2.jpg caption = Upper cave at Jeita with the walkway location = Jeita, Lebanon depth = length = convert|9|km|mi|0|lk=on coordinates = coord|33|56|36.20|N|35|38|28.89|E|type:cave survey = survey… … 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
United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… … Universalium
