spoil banks
nounPronunciation: /spɔɪl bæŋks/
Large piles or embankments of overburden and waste material removed during surface mining operations.
Full Definition
Spoil banks are accumulated masses of soil, rock, and other materials that were stripped away and discarded during surface mining to access mineral deposits. These artificial landforms can be highly unstable and prone to erosion if not properly managed during reclamation. They often require recontouring, soil amendments, and vegetation establishment to restore environmental stability. Spoil banks represent one of the most visible and challenging aspects of mine site rehabilitation.
Plain English
Large hills or piles of dirt and rock that were dug up and dumped to one side when miners were getting to coal or other minerals underground.
In Editorial Context
A key visual and technical element in mine reclamation stories, representing both the scale of mining disturbance and the potential for landscape restoration through proper management.
Etymology & History
Term emerged during early coal mining expansion as surface mining created unprecedented landscape disturbance requiring new terminology.
Originally neutral mining terminology, now carries environmental connotations and reclamation implications.
Usage
"The reclamation plan calls for regrading the spoil banks to a maximum slope of 3:1 and establishing native grass cover within two growing seasons."
Usage note: Always used in plural form when referring to mining waste piles; singular 'spoil bank' refers to one specific pile.
Context: mine reclamation reports, environmental impact assessments, restoration planning documents
Region: US
Also known as
Contrasted with
Don't confuse with
Tailings are processed mineral waste while spoil banks are unprocessed overburden materials.