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Sep 6, 2020 · A historian has taken a detailed look at the key role South Shields played in the Second World War. Dr Craig Armstrong has researched the town’s role in the 1939 to 1945 conflict and produced a ...
- Chris Cordner
In short, agriculture is limited to the few places where rivers or lakes have deposited fertile silt, such as the Clay Belt south of Hudson Bay (where the former Lake Ojibway once stood.) Farther north in the Shield much of the soil is frozen year-round (permafrost), which creates huge problems for construction during summer, melt.
- Peter Meserve
- 2020
Sep 4, 2024 · Canadian Shield, one of the world’s largest geologic continental shields, centered on Hudson Bay and extending for 8 million square km (3 million square miles) over eastern, central, and northwestern Canada from the Great Lakes to the Canadian Arctic and into Greenland, with small extensions into the northern U.S.
- The Editors of Encyclopaedia Britannica
- How Was The Canadian Shield formed?
- Geology
- Physical Features and Landforms
- Vegetation
- Wildlife
- Natural Resources
- Human History
The Canadian Shield formed over 3 billion years through processes such as plate tectonics, erosion and glaciation. Plate tectonics refers to the movement and collision of the Earth’s outer crust. When these crustal plates collide they may weld together, forming larger landmasses. The Shield can be thought of as a jigsaw puzzle of different crustal ...
The Shield can be divided into seven geologically distinct regions sometimes referred to as provinces. They are the Nain, Grenville, Southern, Superior, Churchill, Slave and Bear provinces. Each is home to rock of different ages, types and formation characteristics, as well as different mineral deposits. The Southern Province, for example, is home ...
The Canadian Shield’s most notable physical features are thousands of small lakes, thin layers of soil and rolling hills. Lakes are largely the result of glacial erosion during the last ice age. Other evidence of past glacial structures include striations (lines scraped into rocks) and drumlins(long hills of glacial sediment). In addition to the th...
The Canadian Shield is dominated by the boreal forest ecosystem. Common coniferous trees include white and black spruce; jack, red, white and eastern white pine; balsam fir; tamarack; eastern hemlock; and eastern red cedar. Deciduous trees include red and mountain maple; white and paper birch; trembling aspen; black ash; and balsam poplar. North of...
A wide range of wildlife calls the Canadian Shield home. Lakes and rivers in the south house a variety of fish species including trout, burbot and northern pike. In addition to fish, lakes are often spotted with a mix of waterfowl including wood ducks, Canada geese and American black ducks. Other birds include boreal owls , great horned owls, blue ...
The Canadian Shield is rich in natural resources, including minerals, forests and freshwater. Mining began in the region in the mid-19th century and was key to Canada’s economic development. Various minerals and precious stones have been mined or continue to be mined on the Shield, including gold, silver, copper, zinc, nickel, iron, uranium and dia...
The Canadian Shield is the traditional territory of several Indigenous peoples. The Innu made their home on the Shield in what is now Québec and Labrador, while the Cree, Anishinaabeg and Métis occupied large swaths of the region through Québec, Ontario, Manitoba, Saskatchewan and Alberta. The traditional territory of the Dene and Inuit includes th...
2 days ago · North America - Geology, Forests, Lakes: The Canadian Shield is the principal area of North America where rocks of Precambrian age (i.e., those that are more than 542 million years old) are exposed at the surface. The shield was rifted apart between Canada and Greenland by seafloor spreading in the Labrador Sea and in Baffin Bay between 90 and 40 million years ago. The rift subsequently moved ...
May 10, 2019 · Behind the Canadian Shield. To fully understand our national identity, we must consider Canada’s geology as well as its geography. Harold Innis, an important early 20th-century Canadian intellectual, famously claimed that Canada “emerged not in spite of geography but because of it.”. This assertion rested on Innis’s remarkable study of ...
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Jul 6, 2021 · The Canadian Shield is a huge rock formation. The rock, or crust, is also known as the North American Craton. The Craton stretches from Greenland to Mexico. The Canadian Shield makes up about 50 per cent of Canada. The Canadian Shield stretches from Labrador to the Arctic. It covers parts of Saskatchewan and Alberta.
