Mine Tailings
nounPronunciation: /maɪn ˈteɪlɪŋz/
The remaining fine-grained material left after mineral extraction, consisting of crushed rock, clay, and processing chemicals that may contain hazardous metals or residual reagents. Tailings impoundments present environmental and geotechnical risks including potential failure and metal leaching.
Plain English
Leftover crushed rock and waste material from mining operations that can contaminate soil and water.
Etymology & History
Usage
"Stabilization of mine tailings through capping and vegetation prevents wind erosion and metal mobilization at the reclaimed site."
Style guide notes: Use plural form; singular 'tailing' is rarely used in modern technical writing.
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Related Terms
Frequently Asked Questions
What pollutants are commonly found in mine tailings?
Heavy metals like arsenic, lead, copper; processing chemicals; and sulfides that produce acid drainage.
How are mine tailings managed during site reclamation?
Through capping with clean material, vegetation establishment, and containment structures to prevent erosion and leaching.
Why Test Candidates on This?
Fundamental concept covering primary source of contamination and major structural reclamation challenge.
Required skill level: Junior