Rock mechanics implications of secondary recovery under highwalls
Journal Article
·
· Min. Eng. (Littleton, Colo.); (United States)
OSTI ID:5464000
Eastern US coalfields have been extensively strip mined. In the past, contour mining left vast areas of post-mining highwalls and benches. Thin seams, which cannot be mined by conventional methods, often contain substantial reserves of high quality coal. Unconventional secondary recovery methods may permit economic production of that coal, and provide resources for restoration of mined land. Rock mechanics implications of secondary mining methods are discussed to determine their limitations.
- OSTI ID:
- 5464000
- Journal Information:
- Min. Eng. (Littleton, Colo.); (United States), Journal Name: Min. Eng. (Littleton, Colo.); (United States) Vol. 37:3; ISSN MIENA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
012000* -- Coal
Lignite
& Peat-- Mining
ABANDONED SITES
CARBONACEOUS MATERIALS
COAL
COAL DEPOSITS
COAL MINES
COAL MINING
COAL SEAMS
DIMENSIONS
ENERGY SOURCES
FOSSIL FUELS
FUELS
GEOLOGIC DEPOSITS
LAND RECLAMATION
MATERIALS
MECHANICS
MINERAL RESOURCES
MINES
MINING
NORTH AMERICA
RECOVERY
RESOURCES
ROCK MECHANICS
SURFACE MINING
THICKNESS
UNDERGROUND FACILITIES
USA
012000* -- Coal
Lignite
& Peat-- Mining
ABANDONED SITES
CARBONACEOUS MATERIALS
COAL
COAL DEPOSITS
COAL MINES
COAL MINING
COAL SEAMS
DIMENSIONS
ENERGY SOURCES
FOSSIL FUELS
FUELS
GEOLOGIC DEPOSITS
LAND RECLAMATION
MATERIALS
MECHANICS
MINERAL RESOURCES
MINES
MINING
NORTH AMERICA
RECOVERY
RESOURCES
ROCK MECHANICS
SURFACE MINING
THICKNESS
UNDERGROUND FACILITIES
USA