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The Canadian Shield (French: Bouclier canadien [buklje kanadjɛ̃]), also called the Laurentian Shield or the Laurentian Plateau, is a geologic shield, a large area of exposed Precambrian igneous and high-grade metamorphic rocks. It forms the North American Craton (or Laurentia), the ancient geologic core of the North American continent.
The coat of arms of Canada (French: Armoiries du Canada), also known as the Royal Coat of Arms of Canada (French: armoiries royales du Canada) [ 11 ] or, formally, as the Arms of His Majesty The King in Right of Canada (French: Armoiries de Sa Majesté Le Roi du Canada), [ 16 ] is the arms of dominion of the Canadian monarch and, thus, also the ...
Canadian Shield. The Canadian Shield, Precambrian shield, makes up the bedrock geology highlighted by rocks and lakes [2] and a boreal forest area. There are transitional areas between boreal and tundra flora. [3] The lower boundary of the Canadian Shield cuts across the province diagonally from the latitude 57 degrees in the northwest to 54 ...
This ecoregion consists of rolling hills, lakes, bogs and rocky outcrops covering a large curved swathe on the Canadian Shield from the Echoing River in Northern Ontario, running southeastwards through Thunder Bay District to the north shore of Lake Superior and then northeastwards into western Quebec. The area has a cool climate with summer ...
The Canadian Shield is a large area of Archean through Proterozoic igneous and metamorphic rocks in eastern Canada and north central and northeastern United States. The earliest part of the shield is metamorphosed Archean rocks, originally volcanic in origin.
Voyageurs National Park is located on the Canadian Shield, with the rocks averaging between 1 and 3 billion years old. These are some of the oldest rocks on the North American continent. [5] Formed during the early ages of the earth formation, the rocks of the park were compressed, and folded under tremendous pressure.
Labrador is the easternmost part of the Canadian Shield and is composed of ancient Precambrian igneous and metamorphic rocks. The interior averages about 450 metres (1,480 ft) above sea level and is cut by large, east-flowing rivers, such as the Churchill River and its tributaries. [11] The northern coast is largely mountainous.
After the end of the Younger Dryas, the Laurentide Ice Sheet retreated rapidly to the north, becoming limited to only the Canadian Shield until even it became deglaciated. [8] The ultimate collapse of the Laurentide Ice Sheet is also suspected to have influenced European agriculture indirectly through the rise of global sea levels.