| A map of Canada's earth materials |
Proactive disclosure
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Natural Resources Canada > Earth Sciences Sector > Priorities > Geoscape Canada > Canada
Geoscape Canada
A map of Canada's earth materials Great Lakes/St. Lawrence Lowlands
Figure 34. Limestone cliffs along the Ottawa River at Parliament Hill, Ottawa, Ontario (R.J.W. Turner). |
Figure 35. Niagara Falls cascades over a resistant layer of dolostone (carbonate rock) that caps the cliffs of the Niagara River gorge in Ontario (A.V. Morgan). |
Figure 36. Vegetated cliffs of shale, sandstone, and carbonate rock separate the upper and lower parts of Québec, Quebec (A.V. Morgan). |
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