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[edit]Whitewood Mine
[edit]———
- cease operations in 2010, recovery until 2013
- TransAlta uses coal for Wabamun, Sundance, Keephills plants; also sells a small amount to local residents
- operated by Luscar now, Fording Coal Ltd. in the past
- post-mining water levels in reclaimed areas is returning to pre-mining levels
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- mine located north of Wabamun Lake in Parkland County
- 2.8 million tonnes of sub-bituminous coal mined annually
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http://www.ags.gov.ab.ca/activities/CBM/pages/figure_13_whitewood_fold.html
- Ardley coal zone features glacially-induced folds in the coal seam
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http://www.eab.gov.ab.ca/dec/98-237.html
- 47 hectares
- the 2.8 megatonnes of coal supplies fuel to generate approximately 13% of Alberta's electrical requirement
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http://www3.eub.gov.ab.ca/eub/dds/iar_query/ShowAttachment.aspx?DOCNUM=299476
- approx. 65 kilometres west of Edmonton
- about 51 million tonnes of reserves
- Highvale operates in the area, and produces 12.9 MT/an.
- pits shall be reclaimed as lakes, or filled-in with backfill; dumpslopes will be recontoured to achieve long-term stability
- infrastructure (power lines, service roads, sedimentation ponds, ditches) to be removed and reclaimed
- equipment sold or scrapped
- subsoil and/or topsoil to be placed on all disturbed lands, followed by seeding or reforestation
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http://www.cseg.ca/publications/journal/1988_12/1988_Lyatsky_H_seismic_coal_expl.pdf
- in the exploration for coal, seismic mapping models were used
- late Cretaceous, Early Tertiary age coal deposits
- coal separated into six distinct seams, from oldest to newest: Edmonton, Bearpaw, Horseshoe Canyon, Whitemud, Battle, Scollard, and Paskapoo (Gibson nomenclature, 1977)
- bentonitic sediments, up to three metres in thickness, exist in the Scollard coal zone
- glacial till occupies the top several metres
- coal-bearing interval from 20m to 70m thick
Gibson, D.W., 1977, Upper Cretacious and Tertiary coal-bearing strata in the Drumheller-Ardley region, Red Deer river valley, Alberta: Geol. Surv. Can. Paper 76-35
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http://environment.gov.ab.ca/info/library/6139.pdf
- Whitewood is a strip mine
- reclaimed area is partly agricultural, partly wetlands and forested areas
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http://www.wabamunwatch.com/issues-ma.htm
- operating since 1962
- In 2001, 626,000 m3 were pumped to Lake Wabamun and 1,560,900 m3 to Lac. Ste. Anne watersheds, respectively
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http://www3.gov.ab.ca/env/land/quality/html/use/coal.html
- Highvale covers 12'230 ha
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http://www.ags.gov.ab.ca/publications/ABSTRACTS/ESR_1959_01.html
- Highvale has over 200 MT of reserves