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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 regional climate has long, cold winters and short summers, conditions which are moderated in coastal regions. [2] Summers in the east are warmer than those in the west of the region. [2] The mean annual temperature ranges from -4 °C in northern Saskatchewan to 5.5 °C in Newfoundland. [2] Precipitation increases from west to east. [2]
Canada covers 9,984,670 km 2 (3,855,100 sq mi) and a panoply of various geoclimatic regions, of which there are seven main regions. [9] Canada also encompasses vast maritime terrain, with the world's longest coastline of 243,042 kilometres (151,019 mi). [20] The physical geography of Canada is widely varied.
The Strait of Belle Isle separates the province into two geographical regions, Labrador and the island of Newfoundland. [1] The province also includes over seven thousand small islands. [2] Labrador is the easternmost part of the Canadian Shield, a vast area of ancient metamorphic rock comprising much of
The Taiga Shield Ecozone, as defined by the Commission for Environmental Cooperation (CEC), is an ecozone which stretches across Canada's subarctic region. Some regions exhibit exposed Precambrian bedrock of the Canadian Shield , the oldest of the world's geological formations. [ 1 ]
Northern Canadian Shield taiga is a taiga ecoregion located in northern Canada, stretching from Great Bear Lake in the Northwest Territories to Hudson Bay in eastern Nunavut. The region supports conifer forests to its northern edge, where the territory grades into tundra .
This new ecozone map includes 18 terrestrial, 12 marine and 1 freshwater ecozone, the latter two of which were derived from the marine bioregions outlined by Fisheries and Oceans Canada in 2009. [8] [6] This comprehensive framework is currently in use by Environment and Climate Change Canada to determine protected area coverage of Canada's ...
The Great Lakes–St. Lawrence Lowlands and the Appalachians are the two main topographic regions in southern Quebec, while the Canadian Shield occupies most of central and northern Quebec. [ 2 ] With an area of 1,542,056 km 2 (595,391 sq mi), it is the largest of Canada's provinces and territories and the tenth largest country subdivision in ...