Room-and-pillar mining

Room-and-pillar mining

The most common method of underground mining in which the mine roof is supported mainly by coal pillars left at regular intervals. Rooms are places where the coal is mined; pillars are areas of coal left between the rooms. Room-and-pillar mining is done either by conventional or continuous mining.

This is auto-generated content. You can help to improve it.

0 0

Improve it

Add an image

Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Energy
Category: Coal; Natural gas; Petrol
Company: EIA
Product:
Acronym-Abbreviation:

Collect to Blossary

Other Languages:

Related terms

room and pillar mining

Mining; Coal

A tactic of underground coal mining where large pillars are left behind to provide support and rooms of coal are mined.

room-and-pillar mining

Energy; Coal; Natural gas; Petrol

The most common method of underground mining in which the mine roof is supported mainly by coal pillars left at regular intervals. Rooms are places where the coal is mined; ...

room-and-pillar mining

Mining; General mining; Mineral mining

In coal and metal mining, supporting the roof by pillars left at regular intervals.

room and pillar mining

Mining; General mining

A method of underground mining in which approximately half of the coal is left in place to support the roof of the active mining area. Large "pillars" are left while "rooms" of ...

room-and-pillar mining

Mining; General mining

Underground mining technique whereby the ore is removed from selected areas called rooms. Pillars of ore are left at regular intervals between rooms to support the roof of the ...

mining

Geography; Physical geography

Extraction of minerals from the crust for industrial use.

lignite

Energy; Coal

Lignite is a soft brown type of coal, with characteristics that places it somewhere between hard coal and peat. Lignite has a lower energy content and different characteristics ...

zechstein

Energy; Coal

Formations containing salt that were laid down in the second part of the Permian Period, the salt has risen up under or through the overlying formations in many places, producing ...

coal measures

Energy; Coal

The various strata which contain seams of coal.

Tavan Tolgoi

Energy; Coal

Situated at South Gobi desert in Mongolia, Tavan Tolgoi is the world's largest untapped coking coal reserve with an estimated deposit of 6 billion metric tons of steelmaking coal. ...

Energy; Coal

Refers to both wet deposition and dry deposition. Both occur as a result of ammonium, carbon, nitrogen, and sulfur mixing with water molecules to create a higher acidity than the ...