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2003-01-01
Wels, C., Lefebvre, R., Robertson, A. M.
Air movement and associated oxygen transport through waste rock dumps has the potential to significantly enhance the rate of oxidation of pyrite-bearing material. While this is a desired outcome for most heap leach operations, airflow in waste rock storage facilities can result in significant...
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2003-01-01
Shaw, S., Wels, C., Robertson, A., Fortin, S., Walker, B.
A background characterisation study was carried out in the Sangre de Cristo mountains, New Mexico, to: 1. quantify naturally occurring contaminant loads from mineralised areas; 2. define site-specific background concentrations; and 3. to determine key factors controlling spatial and temporal...
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2003
Current best management practice requires the placement of a cover onto most types of mine waste including tailings, waste rock and/or spent heap leach rock at closure of the mine. The objectives of a cover system may vary from site to site but generally include 1. dust and erosion control; 2....