Abstract
The mining of oilsands near Fort McMurray, Alberta involves the stripping of saline-sodic overburden to access the underlying oilsands. The overburden is placed in mined out pits or in piles on the surface and reclaimed by means of soil covers, which must provide a sufficient rooting zone for vegetation establishment while minimizing percolation into the shale to prevent the occurrence of slope instability and salinization. A multi-year study was initiated in 1999 to observe the performance of three 1-ha peat over till layered soil covers and a 5-year-old single layer (peat/mineral mix) cover. This paper will outline the extensive instrumentation program and will present a preliminary water balance for the observed areas.
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More From: Journal American Society of Mining and Reclamation
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