Oil Shale or Tar Sands
North AmericaEconomicPhysical EnvironmentLocations of major sedimentary rock formations and loose sands containing petroleum in North America
natureA map of North America highlighting oil shale or tar sands areas shaded in red. The region along the boundary of Utah in the northeast along with Wyoming is shaded. The northern region of Alberta is also shaded.
Oil Shale or Tar Sands | Class | Rank | Percent | Arctic Cordillera | Tundra | Taiga | Hudson Plain | Boreal forests | Northwestern forested mountains | Marine west coast forest | Eastern temperate forests | Great Plains | Deserts and steppes | Mediterranean California | Southern semi-arid highlands | Temperate sierras | Tropical wet forests | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
11.5% | 1.96% | 6.84% | 22.1% | 11.9% | 32.1% | 29.3% | 5.59% | 34.8% | 38.2% | 26.9% | 39.7% | 6.89% | 11.3% | 14.5% |
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