Canadas Landscape

Question 0

Which Canadian landform region is the oldest?
Approx how old are the rocks in this region?
What type of rocks make up this region?

Answer 0

• Canadian Shield
• 3.5 billion yrs
• igneous and metamorphic

Question 1

What are the characteristics of each type of rock . Give an example for each

Answer 1

Sedimentary- formed from particles of same pebbles and other materials: fairly soft, crumbly
Ex: limestone
Metamorphic- formed under surface of earth due to intense heat and pressure
Ex: gneiss
Igneous- formed when magma cools and hardens
Ex: granite

Question 2

What kind of natural resources is the Canadian shield best known for ?

Answer 2

• Valuable metallic minerals
• Led gold nickel copper zinc
• storehouse of Canada’s metallic minerals

Question 3

Describe the present day appearance of the Canadian Shield.

How did it evolve to it’s present day shape?

Answer 3

• Underlies most parts of Canada and two little parts of the USA
• was forced down melted, and rose back to the surface, cooled down over time
• as it cooled down, minerals were present

Question 4

Name Canada’s lowland regions

Which one is the most populated? Which One Is the smallest?

Answer 4

Interior plains , Hudson Bay arctic lowlands , Great Lake st Lawrence Lowlands

Great Lake st Lawrence low lands is the smallest and most populated

Question 5

For what kind of resources is the interior plains known for?

Answer 5

• Mineral deposits
• oil and gas
• agricultural (grow a lot of wheat, beef, potash)

Question 6

Name the two mountains in the east and west coast

Answer 6

Appalachians and western cordillera

Question 7

How did they form? Between these two regions which one is older? How can u tell ?

Answer 7

Appalachians-layers of sedimentary rock were uplifted and folded at the end
Western cordillera - the collision of the NA and the pacific plates

• Appalachians are older
• know this bc they r 300 million yrs old
• they had more time to wear down
• eroded

Question 8

Why haven’t we not taken advantage of the innuitian mountains?

Answer 8

Too cold

Question 9

How many periods of glacial ice have occluded in Canada ?

When did the last period begin and end?

Answer 9

• 4
• began: 100,000 years ago
• ended: 6000 years ago

Question 10

What are two main types of glaciers and there alternate names?

Answer 10

• Continental or ice sheets

- Alpine or mountain glaciers

Question 11

Describe how a medial moraine would form

Answer 11

A medial moraine is formed When two glaciers meet