Canadian Shield, one of the world’s largest geologic continental shields, centred on Hudson Bay and extending for 8 million square km (3 million square miles) over eastern, central, and northwestern Canada from the Great Lakes to the Canadian Arctic and into Greenland, with small extensions into northern Minnesota, Wisconsin, Michigan, and ...

As a deep, common, joined bedrock region in eastern and central Canada, the shield stretches north from the Great Lakes to the Arctic Ocean, covering over half of Canada and most of Greenland; it also extends south into the northern reaches of the continental United States.

Apr 29, 2019 · The entire Canadian Shield covers an estimated 3.1 million square miles, but the greater shield extends from the Appalachian Mountains in the east, the Western Cordillera in the West, and southwards into Texas.

Feb 7, 2006 · The Canadian Shield refers to the exposed portion of the continental crust underlying the majority of North America. The crust, also known as the North American Craton, extends from northern Mexico to Greenland and consists of hard rocks at least 1 billion years old.

Location. When the Greenland section is included, the Canadian Shield is approximately circular, bounded on the northeast by the northeast edge of Greenland, with Hudson Bay in the middle.

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.

Jan 26, 2025 · The Canadian Shield is the principal area of North America where rocks of Precambrian age (i.e., those that are more than 542 million years old) are exposed at the surface. The shield was rifted apart between Canada and Greenland by seafloor spreading in the Labrador Sea and in Baffin Bay between 90 and 40 million years ago.

The Canadian Shield is the largest region in Canada. It covers about 48% of Canada’s land surface. The location reaches all the way from Labrador over to the Arctic in the northwest.

THE CANADIAN or Laurentian Shield, the largest natural region of North America at 1.1 million square mi (3 million square km), is located north of the St. Lawrence Lowland and east of the Interior Plains.

Mar 3, 2021 · The Canadian shield is located centered on Hudson bay and extending for 8 million square km over eastern, central, and northwestern Canada. Ontario is the major province that covers most of this region and the major cities in the province are …