Search results
Results from the WOW.Com Content Network
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 ...
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 ...
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
The Ottawa River crossing the Ottawa Valley near the City of Ottawa. In the foreground, skirts of the Gatineau Hills make up part of the southern tip of the Canadian Shield. The Ottawa Valley (Vallée d'Outaouais) is the valley of the Ottawa River (Rivière des Outaouais), along the boundary between Eastern Ontario and the Outaouais, Quebec ...
Martello towers were built in the area to defend the British from American invasion. Inside the park, Cedar Island, a small island visible from downtown Kingston, Ontario, is the site of a Martello tower named Cathcart Tower. The park was established in 1904, the first Canadian national park east of the Rocky Mountains.
Boreal forest covers much of the shield, with a mix of conifers that provide valuable timber resources in areas such as the Central Canadian Shield forests ecoregion that covers much of Northern Ontario. The Canadian Shield is known for its vast mineral reserves such as emeralds, diamonds and copper, and is there also called the "mineral house ...
The Canadian Shield has been divided up into seven areas based on differences in orogenic history. The Labrador portion of Newfoundland and Labrador forms the eastern region of the Canadian Shield, which hosts the entire Nain structural province, as well as some of the Superior, Churchill and Greenville provinces. [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 .