Abandoned Mine Reclamation Glossary
743 terms total — 2 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.
acid rock drainage
The formation of acidic water when sulfide minerals in rock are exposed to oxygen and water. This creates ongoing pollut...
Acid Rock Drainage (ARD)
The oxidation of sulfide minerals exposed during mining that produces sulfuric acid and dissolved metals, creating highl...