Tailings Pond Decommissioning
nounPronunciation: /ˈteɪlɪŋz pɒnd dɪˌkɒmɪˈʃənɪŋ/
The process of safely closing and managing mine tailings impoundments to prevent environmental contamination and structural failure. This involves dewatering, capping, and long-term monitoring of stored mining waste.
Plain English
Safely shutting down and managing the ponds where mining waste is stored to prevent environmental harm.
Etymology & History
Usage
"Tailings pond decommissioning at the copper mine required construction of a engineered clay cap to isolate reactive minerals."
Style guide notes: Specify tailings type (copper, gold, iron) when discussing decommissioning strategies as requirements vary significantly.
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Related Terms
Frequently Asked Questions
What is the main purpose of tailings pond decommissioning?
Decommissioning prevents environmental contamination and structural failure by safely isolating and stabilizing mining waste.
How long does tailings pond decommissioning take?
Timeline varies from 2-10 years depending on pond size, waste type, and dewatering rate requirements.
Why Test Candidates on This?
Essential for evaluating environmental risk mitigation and regulatory compliance in mine closure assessments.
Required skill level: Senior