Open Pit Backfilling Strategy
noun phrasePronunciation: /ˈoʊpən pɪt ˈbækfɪlɪŋ ˈstrætədʒi/
A comprehensive plan for filling abandoned open pit mines with suitable materials while ensuring physical stability, environmental protection, and cost-effectiveness. Strategies may employ waste rock, tailings, or imported fill depending on site conditions and regulatory requirements.
Plain English
A plan for filling in an abandoned open pit mine with appropriate materials.
Etymology & History
Usage
"The open pit backfilling strategy for the limestone quarry involved using overburden from a nearby active mine to reduce disposal costs while achieving grade optimization."
Style guide notes: Hyphenate 'open pit' when used as compound adjective before noun; otherwise use as two words.
Also known as
Contrasted with
Related Terms
Frequently Asked Questions
What materials can be used in open pit backfilling?
Acceptable materials include uncontaminated waste rock, tailings meeting criteria, clay cap materials, and approved imported fill sources.
What factors determine backfilling strategy selection?
Pit size, depth, hydrological conditions, available fill sources, regulatory requirements, and post-mining land use determine strategy choice.
Why Test Candidates on This?
Commonly tested in operational reclamation and closure design examinations for mid-level professionals.
Required skill level: Mid