What are 3 fun facts about the Canadian Shield?
Canada’s Shield is one of the oldest on Earth, with areas dating from 2.5 to 4.2 billion years. It is full of rivers, lakes, and a dike swarm that is the largest dike swarm known to Earth. The Canadian Shield is made up of deep-rooted mountains and spruce, lakes, bogs, and rock.
What wildlife is found in the Canadian Shield?
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 jays and white-throated sparrows, while mammals include caribou, deer, wolves, lynx, moose, black bears and beavers .
What is the Canadian Shield most known for?
The Canadian Shield is one of the world’s richest areas in terms of mineral ores. It is filled with substantial deposits of nickel, gold, silver, and copper. Throughout the Shield there are many mining towns extracting these minerals. The largest, and one of the best known, is Sudbury, Ontario.
What are the main geographical features of the Canadian Shield?
The physical features of the Canadian Shield includes rocks , bares and plateaus . The Canadian Shield has uplands which are high or hilly areas, and there are also a lot of rivers , lakes , streams and wetlands. Wetlands help clean water by trapping harmful chemicals.
Why is it called Canadian Shield?
The Canadian shield gets its name from its shape, which resembles an ancient shield, raised and ready to defend North America. The Canadian shield’s bare surface makes it much more useful for mining, logging, hydroelectric power generation, and similar operations that do not require deep earth.
What is Canadian Shield made of?
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.
What rock is the Canadian Shield made of?
granite
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.
How was Canadian Shield created?
It took 3 billion years for the Canadian Shield to be formed. Its formation was the result of several forces. Different parts of the Earth continued to collide together. This is called plate tectonics.
How thick is the Canadian Shield?
The sedimentary cover is less than a mile thick on the platform, but it increases to about 2.5 miles (4 km) in the Hudson Bay, Michigan, Williston, and Illinois sedimentary basins and to 4 miles (6 km) and more in troughs adjacent to the peripheral orogenic belts.
How did the Canadian Shield get its name?