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Basic Technical IVT Commonly tested

Tailings Management Facility (TMF)

noun

Pronunciation: /ˈteɪlɪŋz ˈmænɪdʒmənt fəˈsɪləti/

An engineered structure designed to safely contain mining waste solids and associated water, typically constructed with impoundment dams, seepage control systems, and monitoring infrastructure. TMFs represent one of the largest and longest-term liabilities in mine reclamation.

Plain English

An engineered dam system that holds mining waste and water for safe storage or permanent containment.

Etymology & History

Origin languageEnglish
Roottailings (from Old French taille, cutting) + management (from Old French mesnage) + facility (from Latin facilitas)
First recorded use1970s
Usage frequencyVery common

Usage

"The mine operator redesigned the TMF to improve seepage control and reduce long-term environmental risk."

Style guide notes: Always use full term on first reference; abbreviation TMF acceptable in technical documents after definition.

Also known as

tailings impoundment tailings storage facility

Contrasted with

dry stacking paste backfill

Related Terms

Frequently Asked Questions

What is the difference between TMF and tailings dam?

TMF encompasses entire facility; tailings dam is the primary structural component of a TMF.

Why are TMFs problematic for mine reclamation?

TMFs require indefinite monitoring, pose seepage and failure risks, and complicate full site closure and transfer.

Why Test Candidates on This?

TMF design and closure planning are critical to demonstrating compliance and long-term reclamation viability.

Required skill level: Mid

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