Canadian Shield
The Canadian Shield, also called the Laurentian Plateau (French: Bouclier canadien), is a large area of exposed Precambrian, igneous and high-grade metamorphic …
| Canadian Shield Stratigraphic range: Precambrian 4500–540 mya | |
|---|---|
| Type | Shield |
| Unit of | North American craton |
| Sub-units | Laurentian Upland Kazan[1] |
| Area | 8 000 000 km2 |
| Location | |
| Region | North America |
| Country |  Canada United States |
 The Canadian Shield is a broad region of Precambrian rock (pictured in shades of red) that encircles Hudson Bay. It spans eastern, northeastern, and east-central Canada and the upper midwestern United States. | |
The Canadian Shield, also called the Laurentian Plateau (French: Bouclier canadien), is a large area of exposed Precambrian, igneous and high-grade metamorphic rocks. The geological shield is the ancient geological core of the North American continent (Laurentia, also called the North American Craton).
A continuation of the Canadian Shield is in western Greenland to which it was once connected. In the United States, most of the Canadian Shield is covered with much younger rocks and sediment.
The Canadian Shield around Hudson Bay is covered with shallow soil. Its main industrial use is mining.
References
- ↑ The Atlas of Canada. "Physiographic Regions Map" (JP2). Natural Resources Canada. Retrieved 2017-08-01.
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