Environmental Engineering Reference
In-Depth Information
FIGURE 17.4
Evaluating Acid Rock Drainage
Potential
Detailed discussions with
Project Geologist to define ore
and waste rock units based on
lithology, mineralogy, fractures
and continuity. Inspect drill core
Source:
Environment Australia 1997
Select samples using
drill hole database
Acid base accounting
Redefine
types based
on AMD.
Collect more
samples
YES
NO
Evaluate AMD results.
Were samples representative?
NO
Is there a potential for AMD?
Construct
mine block
model and
develop
mine waste
schedule
Preliminary design and
AMD controls
Select samples for kinetic tests
to define rate of AMD generation
Kinetic tests
Detailed and control design
Finalized mine plan
Approval and operation
Monitoring and verification
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