(mining engineering) A system of mining in which the coal or ore is mined in rooms separated by narrow ribs or pillars; pillars are subsequently worked.
room-and-pillar
| Sci-Tech Dictionary: room-and-pillar |
(′rüm ən ′pil·ər)
| 5min Related Video: room-and-pillar |
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 | slabbing machine (mining engineering) |
| Alpha Natural Resources Inc |
| Coal mining (mining engineering) |
 | How do you get into the pillar at sky pillar in emerald? Read answer... |
| What rhymes with pillars? Read answer... |
| What do you do at spear pillar? Read answer... |
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 | Does the salt mine in cheshire use the room and pillar method? |
| Statistics that show the effects of room and pillar and longwall mining? |
| Where is the side pillar? |
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 | Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
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Mentioned in
- slabbing machine (mining engineering)
- Alpha Natural Resources Inc
- Coal mining (mining engineering)
- Arch Coal Inc
- Foundation Coal Holdings Inc
- International Coal Grp Inc N
- James River Coal Co
- Bucyrus International Inc
- Massey Energy Co
- Anthracite mining (SIC 1231) (industry)
- Crushed and broken limestone (SIC 1422) (industry)
- Bituminous coal underground mining (SIC 1222) (industry)
- Room and pillar
- Industrial sand (SIC 1446) (industry)
