Abandoned Mine Reclamation Glossary

Water discharge from mining operations that maintains a neutral pH (approximately 6-8) but may still contain dissolved m...

A water treatment strategy that neutralizes acidic mine drainage by adding alkaline materials such as limestone, lime, o...

A treatment system using alkaline materials or processes to raise pH and precipitate dissolved metals from acidic mine d...

Microorganisms, primarily bacteria such as Gallionella and Leptothrix species, that oxidize ferrous iron (Fe²⁺) to ferri...

The process of filling abandoned open pit mines with suitable material such as overburden, waste rock, or processed tail...

The systematic placement of waste rock, tailings, or other fill material into excavated mine voids to reduce surface sub...

A comprehensive plan for filling abandoned open pit mines with suitable materials while ensuring physical stability, env...

The remaining environmental and physical characteristics of an abandoned surface mining excavation that continues to inf...

The systematic decommissioning and stabilization of excavated mining operations that leave large surface depressions or...

The restoration and stabilization of surface excavations left by open pit mining operations through contouring, water ma...

The gradual exhaustion of economically viable mineral deposits within a mine, ultimately leading to the cessation of ext...

An accumulated surface deposit of extracted ore awaiting processing, milling, or economic evaluation at an abandoned or...

An abandoned mine site where the original operator has ceased operations and cannot be located or held financially respo...

The remediation and restoration of abandoned mining sites where the original operator is defunct, insolvent, or cannot b...

An abandoned mine site with no identifiable owner or responsible party available to conduct reclamation.

An abandoned mining property where the original operator no longer exists, is bankrupt, or cannot be held liable for rem...

Comprehensive database and catalog of abandoned mines lacking clear financial responsibility or viable operators, includ...

Abandoned mining properties where the original operator is no longer financially or legally responsible for reclamation,...

Abandoned mine locations where the original operator cannot be identified or held responsible for reclamation activities...

The layer of soil, rock, and other materials that lies above a mineral deposit and must be removed to access the resourc...

The mechanical movement and repositioning of non-ore rock material removed during mining extraction to manage landscape...

The planned handling, storage, and utilization of rock and soil removed during mining to expose ore deposits, including...

The strategic deposition and compaction of waste rock and soil material removed during mining operations back into mine...

The mechanical process of re-compacting previously excavated rock and soil layers to restore structural integrity and re...