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The Canadian Shield is a collage of Archean plates and accreted juvenile arc terranes and sedimentary basins of the Proterozoic Eon that were progressively amalgamated during the interval 2.45–1.24 Ga, with the most substantial growth period occurring during the Trans-Hudson orogeny, between c. 1.90–1.80 Ga. [5] The Canadian Shield was the ...
The physical geography of Canada is widely varied. Boreal forests prevail throughout the country, ice is prominent in northerly Arctic regions and through the Canadian Rocky Mountains, and the relatively flat Canadian Prairies in the southwest facilitate productive agriculture. [21]
It represents a subdivision of the much larger Canadian Shield and forms the bedrock of portions of Ontario, Canada and the U.S. states of Michigan and Minnesota. A few significant geologic features are situated in the Southern Province, including the Midcontinent Rift System and the Sudbury Igneous Complex. [1]
The geology of Ontario is the study of rock formations in the most populated province in Canada- it is home to some of the oldest rock on Earth. The geology in Ontario consists of ancient Precambrian igneous and metamorphic rock which sits under younger, sedimentary rocks and soils. Around 61% of Ontario is covered by the Canadian Shield. The ...
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 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.
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There are three main geological regions in Quebec: the great igneous plains of the Canadian Shield, the Appalachians in southern Quebec, and the St. Lawrence lowlands that lie between them. Covering over 95% of Quebec, the Canadian Shield contains some of the oldest igneous rocks in the world, dating back to the Precambrian period, over 1 ...
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