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acid mine drainage
(redirected from Acid rock drainage)

   Also found in: Acronyms, Wikipedia 0.01 sec.
acid mine drainage [′as·əd ′mīn ‚drā·nij]
(mining engineering)
Drainage from bituminous coal mines containing a large concentration of acidic sulfates, especially ferrous sulfate.


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When prevention is not practical due to technical or economics limitations then activities intended to mitigate the consequence of the formation of acid rock drainage shall become the objective of restoration work.
The implications of metal leaching / acid rock drainage (ML/ARD) potential of waste rock that will be generated for the mine design is a key component and the current focus of technical work on the project.
Naturally occurring acid rock drainage has been around as long as sulfide minerals, air, and water have, and anthropogenic AMD dates back to at least the Middle Ages.
 
 
 
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