Abandoned Mine Reclamation Glossary
743 terms total — 1 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.
Bentonite Liner
A compacted clay layer composed primarily of montmorillonite minerals, installed beneath or within waste containment str...