What does the Canadian Shield contain?
What does the Canadian Shield contain?
The Canadian Shield is the ancient core of the North American Continent. It is composed mainly of highly metamorphosed granite, with smaller areas of metamorphosed sedimentary and igneous rocks and some areas of relatively horizontal but still quite ancient sedimentary rocks.
Why is the Canadian Shield almost completely uninhabited?
This is the vast, northwestern part of Canada that contains the three territories: Yukon, Nunavut and the Northwest Territories. This region has dry, barren, and mostly uninhabited areas. This is largely because it has long, cold winters with heavy snow and perpetually frozen soil.
What are the four major industries in the Canadian Shield?
Industries in this region of the country include mining, forestry, and power production. The main mineral mined on the Canadian Shield is Nickel. Forestry is a large employer of people in this region. Most of the power production in the region is hydroelectric, using the force of flowing water to create electricity.
What is the Canadian Shield famous for?
The Canadian Shield constitutes the largest mass of exposed Precambrian rock on the face of Earth. The region, as a whole, is composed of ancient crystalline rocks whose complex structure attests to a long history of uplift and depression, mountain building (orogeny), and erosion.
Why is Canadian Shield important?
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. The first modern hard-rock mine in the Canadian Shield, near Madoc, Ontario, opened in 1866 after gold was found there.
What is the largest city in the Canadian Shield?
Sudbury
Throughout the Shield there are many mining towns extracting these minerals. The largest, and one of the best known, is Sudbury, Ontario.
Why is the Canadian Shield so important?
Metals such as copper and nickel are the result of the Earth’s crust melting after the meteorite hit. Given the prominence of the boreal forest throughout the Canadian Shield, forestry is also a prominent industry. Due to its numerous rivers, the Canadian Shield region produces a significant amount of hydroelectricity.
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