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The Canadian Shield
Transcript of The Canadian Shield
The Canadian Shield is also known as the Precambrian Shield or the Laurentian Shield. By: Thiyaana and Sahaana Land Shape Size Rocks/Minerals Soil Vegetation Water Bodies Shaped like a horse-
shoe around the
Ontario( except for the Penninsula)
Labrador Largest geographic region in Canada
4.8 billion Kilometers Square
Covers almost half of Canada
Covers two-thirds of Ontario
Less than 4 million people living in this region The shield is composed of granite and the earth's greatest area of Precambrian rock. (igneous and metamorphic rock formed in the Precambrian geologic era, 500 million years ago.)
The shield is a rich source of metallic minerals such as iron, nickel, copper, zinc, uranium, gold, silver, platinum and molybdenum.
The shield has recently been the site of several major diamond discoveries, particularly in the NWT region.
One of the best mineral towns Sudbury, Ontario is located here. (Sudbury Basin) Great Bear Lake
Great Slave Lake
Lake of the Woods
North shore of St.Lawrence River
Reindeer Lake Boreal Forest covers the northern part of the Canadian Shield
Most trees are coniferous
White and black spruce
Tamarack Industries Tourism Key Cities Bibliography 1. Shield - The Canadian Encyclopedia. (n.d.). The Canadian Encyclopedia. Retrieved April 3, 2013, from http://www.thecanadianencyclopedia.com/articles/shield
2. Canadian Shield Foundation. (n.d.). Canadian Shield Foundation. Retrieved April 4, 2013, from http://www.canadianshieldfoundation.ca/
3. Canadian Shield Slideshow - YouTube. (n.d.). YouTube. Retrieved March 30, 2013, from
4. Understanding the Canadian Shield. (n.d.). Understanding the Canadian Shield. Retrieved April 4, 2013, from https://sites.google.com/site/emilytscanadianshield/links-to-related-websites/tourism
5. Parks Canada - National Parks System Plan - National Parks System Plan, 3rd Edition - Canadian Shield. (n.d.). Parcs Canada | Parks Canada. Retrieved April 4, 2013, from http://www.pc.gc.ca/docs/v-g/nation/sec3/nation44.aspx
6. Canadian Shield - New World Encyclopedia. (n.d.). Info:Main Page - New World Encyclopedia. Retrieved April 4, 2013, from http://www.newworldencyclopedia.org/entry/Canadian_Shield
7. THE CANADIAN SHiELD. (n.d.). THE CANADIAN SHiELD. Retrieved April 4, 2013, from http://the-canadian-shield.blogspot.ca/2006/06/canadian-shield.html Churchill
Yellowknife Deciduous Trees:
Poplar Winters are 6-8 months long
Days range from 8.5 hours in
the south and 5.5 hours in the
North during the Winter.
Temperatures range from -18*C to -20*C in the Winter.
Summer days are a range from 18.5 hours in the South and 15 hours in the north
Growing season lasts 60-120 days. Precipitation is a range from 755mm to 1015mm
The climate is continental There are many railways traveling through the Canadian Shield, including the Trans Canada Railway. Many people travel by these trains every year to see the scenic views.
Many people come to canoe, fish, hunt and explore the lakes, forests and animals in the Shield. The Canadian Shield The lowlands of the Canadian Shield have very dense soils that are not suitable for forestation but it also contains many marshes and bogs.
There's not much depth to the soil here, therefore the shallowness of the soil doesn't allow for plants to develop a deep root system. Forestry
Forestry is the biggest industry in the region.
The Canadian Shield is covered with the world's
largest boreal forest.
Waterways are used to transport the logs to where they are manufactured.
Igneous rock in the shield contains copper, gold, zinc, iron, ore, nickel and uranium.
There are at least 140 mining sites in the Shield.
Farming is very rare in this region because the bedrock doesn't erode easily, making the soil hard to farm with.
The farming of the Canadian Shield is centered on dairy farming.
Vegetable and grain farming are minor practices. THAT'S THE END! 95% of the Canadian Shield is tundra.
Soils are very thin here therefore farming and vegetation isn't possible Climate