Skip to main content

Currently Skimming:

C Glossary
Pages 217-226

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 217...
... ACID-BASE ACCOUNTING Procedures for quantifying the potential for acid generation and acid neutralization in a geologic solid based on laboratory test to help predict the impacts of mining on local water quality. ACID MINE DRAINAGE Acidic drainage from bituminous coal mines containing a high concentration of acidic sulfates, esp.
From page 218...
... 218 MANAGING COAL COMBUSTION RESIDUES IN MINES ANTHRACITE A hard, black lustrous coal containing a high percentage of fixed carbon and a low percentage of volatile matter. Commonly referred to as hard coal, it is mined in the United States, mainly in eastern Pennsylvania, although in small quantities in other states.
From page 219...
... APPENDIX C 219 BORROW MATERIAL Soil or sediment removed from a site for use in construction, such as sandy sediment dredged and pumped to restore an eroded beach, or clay taken to build a levee or dike. (AGI Dictionary)
From page 220...
... COAL RESERVES Measured tonnages of coal that have been calculated to occur in a coal seam within a particular property. COAL SEAM A bed or stratum of coal.
From page 221...
... FUGITIVE DUST The particulate matter not emitted from a duct or stack that becomes airborne due to the forces of wind or surface coal mining and reclamation operations or both. During surface coal mining and reclamation operations it may include emissions from haul roads; wind erosion of exposed surfaces, storage piles, and spoil piles; reclamation operations; and other activities in which material is either removed, stored, transported, or redistributed.
From page 222...
... 222 MANAGING COAL COMBUSTION RESIDUES IN MINES GOB A pile of loose waste, coal, and other minerals extracted from a mine that are not marketable. Gob may be left piled in underground workings or at the surface of the mine.
From page 223...
... APPENDIX C 223 KINETIC TESTING METHODS Kinetic methods are designed to emulate field conditions and may involve exposing a sample to alternating wetting and drying conditions to promote oxidation reactions before the drainage waters are analyzed for pH, alkalinity, and concentrations of sulfate and dissolved metals. LEACHATE A solution obtained by leaching; e.g., water that has percolated through soil containing soluble substances and that contains certain amounts of these substances in solution.
From page 224...
... 224 MANAGING COAL COMBUSTION RESIDUES IN MINES MINE An opening or excavation in the ground for the purpose of extracting minerals. (AGI dictionary)
From page 225...
... SHALE One of the impurities associated with coal seams; the term should not be used as a general term for washery rejects. (AGI Dictionary)
From page 226...
... (AGI Dictionary) SURFACE MINING Mining at or near the surface.


This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More information on Chapter Skim is available.