Canadian Shield
Lowlands
Appalachians/Lowlands
More Canadian Shield!
Randomized
100
What is the Canadian Shield also known as?
The Precambrian Shield
100
How was the St. Lawrence Lowland formed?
A rift valley was formed by faulting.
100
What types of rocks are found in the Appalachians region?
Sedimentary, Volcanic and Carbonate Rocks
100
Why doesn’t much farming activity happen on the Shield?
Most areas have very thin soil.
100
Which percentage of Canada’s population lives in the St. Lawrence Lowlands?
50%
200
Which types of rocks form most of the Canadian Shield?
Igneous and Metamorphic
200
Which region is the most southerly region in Canada?
St. Lawrence Lowlands
200
The Appalachians are the oldest highland region in North America; about how long ago was it formed?
About 300 million years ago.
200
Which three lowland regions surround the Shield?
The Interior Plains, the great lakes- St. Lawrence Lowlands, and the Hudson Bay-Arctic Lowlands.
200
Why is the St. Lawrence Lowlands the most densely populated region in Canada?
Its flat land is ideal for transportation routes and the development of cities.
300
Which era is the Canadian Shield from?
Precambrian Era
300
How is the Great Lakes portion of the Lowlands characterized?
It is characterized by flat plains with glacial hills and deep river valleys.
300
Which two parts does the St. Lawrence Lowlands contain?
The Great Lakes Lowlands to the west and the St. Lawrence Lowland to the east.
300
What are the Canadian Shield’s minerals categorized as?
Metallic Minerals
300
Which three distinct types of landforms is Eastern Canada made up of?
Shield, highlands, and lowlands.
400
What did the scraping and gouging action of the ice created in the bedrock of the Canadian Shield?
It created depressions in the bedrock.
400
What era was the St. Lawrence Lowlands formed in?
Paleozoic Era.
400
What kinds of rocks form the bedrock of the Great Lakes – St. Lawrence Lowlands?
Sedimentary rocks from the Paleozoic era.
400
What are 4 mineral ores found in the Canadian Shield?
Nickel, Gold, Silver, and Copper.
400
How do escarpments form?
When a harder rock layer that overlay a softer layer resists erosion.
500
What was the Canadian Shield like before it eroded to rolling hills?
An area of high mountains with a lot of volcanic activity.
500
Why are the Great Lakes –St. Lawrence Lowlands region well suited to agriculture?
Because of its excellent soils and warm climate.
500
What part did glaciation play in the erosions of the Appalachians during recent geologic times?
It grinded down the peaks and separated the hills and mountains with wide glacial valleys.
500
What vegetation is the Canadian Shield mostly filled with?
Trees. (Coniferous and Deciduous)
500
Which region is known as the geologic foundation of Canada?
The Canadian Shield
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