
Natural Resources Canada
www.nrcan.gc.ca
Natural Resources Canada > Earth Sciences Sector > Priorities > Geoscape Canada > Canada
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Geoscape Canada
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A map of Canada's earth materials
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Related links
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Geoscape Canada
A map of Canada's earth materials
Canadian Shield

Figure 32. Erosion-resistant diabase dykes (volcanic rock) form ridges rising above soft, more easily eroded carbonate rock, Kugluktuk, Nunavut (R. Rainbird).

Figure 33. Folded gneiss, Gaspar Island, eastern Georgian Bay, Ontario (M.A. Rutka).
http://geopanorama.rncan.gc.ca/canada/shield_e.php