Table 3.8
Mineral extraction waste from select mining industries, 2001 and 2008
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2001 | 2008 | 2001 to 2008 | |
---|---|---|---|
millions of tonnes | percent change | ||
Total | 720 | 1,118 | 55 |
Gold mining and processing | 73 | 79 | 8 |
Miscellaneous metal mines, mining and processing |
178 | 249 | 40 |
Iron mining and processing | 71 | 107 | 51 |
Miscellaneous non-metals mining and processing, including salt, gypsum, potash asbestos |
34 | 38 | 12 |
Oilsands mining and processing (sand) |
308 | 547 | 78 |
Oilsands mining and processing (fine tailings) |
55 | 98 | 78 |
Note(s):
Mineral extraction wastes include waste rock and overburden, rejected
mineral ores and mine tailings. Figures may not add up to totals due to rounding.
Source(s):
Government of Alberta, 2009, Environmental Management of Alberta's
Oil Sands, http://environment.gov.ab.ca/info/library/8042.pdf (accessed
May 23, 2012). Government of Alberta, 2011, talk about oil
sands, www.energy.alberta.ca/OilSands/pdfs/FactSheet_OilSands.pdf (accessed
October 7, 2011). Energy Resources Conservation Boards, 2008,
ST98-2008: Alberta's Energy Reserves 2007 and Supply/Demand Outlook 2008-2017
, www.ercb.ca (accessed October 24, 2011). Natural Resources
Canada, Annual Census of Mines, Quarries and Sandpits, 2008. Statistics
Canada, Environment Accounts and Statistics Division, 2011, special tabulation.
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