Abandoned Mine Reclamation Glossary
743 terms total — 24 showing — Last updated 16 Sep 2026
Brownfield Site
A property with known or suspected environmental contamination from previous industrial or commercial use, typically an abandoned or underutilized mine facility. Brownfield designation often triggers regulatory cleanup requirements and may provide tax incentives for remediation.
Mine Closure Bond Release
The financial mechanism by which regulatory authorities release financial assurances (bonds, letters of credit, or escro...
Mine Closure Certification
The formal regulatory approval and documentation process confirming that an abandoned mine has been reclaimed to meet or...
Mine Closure Infrastructure
The engineered structures and systems installed to permanently secure, isolate, and stabilize abandoned mine sites durin...
Mine Closure Liability
The legal and financial responsibilities assumed by mine operators and site owners for managing environmental and safety...
Mine Closure Plan
A comprehensive document outlining the sequential steps, timeline, and financial mechanisms for safely decommissioning a...
Mine Closure Planning
The comprehensive process of designing and implementing strategies to safely decommission mining operations, secure haza...
Mine Collapse Hazard
The risk that underground mine workings will fail structurally, potentially causing ground subsidence, sudden sinkholes,...
Mine Dewatering
The removal of accumulated groundwater and surface water from abandoned mine workings, including underground voids, quar...
Mine Drainage Treatment
The process of collecting, treating, and managing water that naturally flows from abandoned mine sites, often containing...
Mine Drainage Treatment System
An engineered or natural system designed to remove dissolved metals, adjust pH, and reduce contaminant loads from water...
Mine Dust Suppression Infrastructure
Engineered systems and facilities designed to control particulate matter emissions from active and reclaimed mining site...
Mine mouth
The surface entrance or portal of an underground mine workings, including the immediate surrounding area where extracted...
Mine Mouth Power Plant
An electric generating facility constructed adjacent to coal mines, utilizing extracted coal directly without transporta...
Mine Mouth Power Plant Reclamation
The restoration and repurposing of coal mine areas developed specifically for adjacent power generation facilities, addr...
Mine Mouth Reclamation
The restoration and stabilization of excavated pit areas and surface disturbances immediately adjacent to active or rece...
Mine pillar stability
The engineering evaluation and monitoring of structural integrity of rock pillars left in place during mining to support...
Mine Pit Lake
A water body formed in an excavated pit after mining operations cease and groundwater or surface water accumulates in th...
Mine Pit Lake Formation
The natural or engineered process by which pit voids left from open-pit mining fill with water to create permanent or se...
mine pool
Accumulated groundwater and surface water in abandoned underground mine workings. Often contains dissolved metals and re...
Mine Portal
The entrance or exit structure of an underground mine, including the surface opening, surrounding framework, and initial...
Mine Portal Backfill
The controlled placement of compacted fill material, such as rock fragments or processed tailings, into abandoned mine e...
Mine Portal Closure
The sealing or blocking of mine entrance openings to prevent unauthorized access, control ventilation, and contain under...
Mine Portal Closure Infrastructure
Physical structures and engineering controls installed at abandoned mine entrances to prevent unauthorized access, wildl...
Mine Portal Reclamation
The process of sealing, securing, or removing entrance structures to abandoned mines including adits, shafts, and portal...