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D - SS - Units 7 & 8
Canada - Canadian Shield
Question | Answer |
---|---|
What is the Canadian Shield? | is a large geographic area in eastern and central Canada |
What is the Canadian Shield composed of? | bare rock, made up of some of the planet's oldest rock, largely granite and gneiss, that date back to the Precambrian era |
How much area does the Canadian Shield cover? | covers approximately 8 million square kilometers |
What caused the Canadian Shield to be mostly a thin layer of soil lying on top of bedrock, with many bare outcrops and thousands of lakes? | glaciers covered the area and scraped the rock clean as they moved, during the last ice age |
What industries are in the Canadian Shield? | mining industries of various sorts, as well as logging and other forestry-related industries |
Does type of resources does the Canadian Shield contain? | a large amount of natural resources |
What 2 regions does the Canadian Shield stretch over? | Northern Ontario and Michigan |
What separates the Canadian Shield? | Lake Superior |
What geological features do the 2 regions of the Canadian Shield share? | they have plentiful deposits of iron ore |
What color are the exposed rocks that contain the iron ore (iron oxide, or rust)? | red |
The Canadian Shield has the world’s largest deposits of what mineral ore? | nickel |
What other mineral ores are found in the Canadian Shield? | gold, silver, and copper |
What mineral ore, found in the Canadian Shield, is used to produce nuclear power? | uranium |
What has recently been discovered in a portion in the Northwest Territories? | diamonds |
What is nickel? | an alloy metal, that is used in making nickel steels, nickel cast irons and coins |
What is copper? | a metal that is easy to bend, a good conductor of heat and a good conductor of electricity |
What is copper used for? | wire, water pipes and coins |
What are glaciers? | large sheets of ice that gradually move over land, often changing the landscape by forming lakes, plains, and other land features. They covered much of North America, during the ice age. |