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The Canadian Shield is a U-shaped subsection of the Laurentia craton signifying the area of greatest glacial impact (scraping down to bare rock) creating the thin soils. The age of the Canadian Shield is estimated to be 4.28 Ga. The Canadian Shield once had jagged peaks, higher than any of today's mountains, but millions of years of erosion ...
5,599,077 km 2 (2,161,816 sq mi) Canada has a vast geography that occupies much of the continent of North America, sharing a land border with the contiguous United States to the south and the U.S. state of Alaska to the northwest. Canada stretches from the Atlantic Ocean in the east to the Pacific Ocean in the west; to the north lies the Arctic ...
The Appalachian Mountains, [b] often called the Appalachians, are a mountain range in eastern to northeastern North America. The term "Appalachian" refers to several different regions associated with the mountain range, and its surrounding terrain. The general definition used is one followed by the United States Geological Survey and the ...
Arctic Lands. The Arctic Lands is a physiographic region located in northern Canada. It is one of Canada's seven physiographic regions, which is divided into three divisions—the Innuitian Region, Arctic Coastal Plain, and Arctic Lowlands. [1]
Canadian Shield This is a geologically stable area of rock dating between 2.5 and 4 Gya that occupies most of the northeastern quadrant, including Greenland. Appalachian Mountains The Appalachians are an old and eroded system that formed about 1.3 Gya [13] and extends from the Island of Newfoundland to Alabama. Atlantic Coastal Plain
The Trans-Hudson orogeny or Trans-Hudsonian orogeny was the major mountain building event (orogeny) that formed the Precambrian Canadian Shield and the North American Craton (also called Laurentia), forging the initial North American continent. It gave rise to the Trans-Hudson orogen (THO), or Trans-Hudson Orogen Transect (THOT), (also referred ...
The Interior Plains is a vast physiographic region that spreads across the Laurentian craton of central North America, extending along the east flank of the Rocky Mountains from the Gulf Coast region to the Arctic Beaufort Sea. In Canada, it encompasses the Canadian Prairies separating the Canadian Rockies from the Canadian Shield, as well as ...
Human geography. Newfoundland and Labrador had a population of 505,469 (2005 estimate) and a population density of 1.27 per km 2 (3.1 per sq mi). The provincial capital is St. John's, which had a population of 181,113 in 2005). St John's is located at the extreme eastern edge of the island on the Avalon Peninsula.