Abandoned Mine Reclamation Glossary
743 terms total — 3 showing — Last updated 26 Oct 2026
Closure Financial Assurance
A regulatory mechanism requiring mining operators to establish monetary reserves or financial instruments sufficient to fund complete reclamation and long-term site management. The assurance amount is calculated based on detailed closure cost estimates and is held in escrow or bonded accounts.
Mine Collapse Hazard
The risk that underground mine workings will fail structurally, potentially causing ground subsidence, sudden sinkholes,...
Underground Mine Collapse
The sudden or gradual failure and subsidence of underground mine openings, including shafts, tunnels, and chambers, typi...
Underground Mine Collapse Hazard Assessment
A systematic evaluation of subsurface voids, structural integrity of mine pillars and roof systems, and probability of c...