LAST ICE AGE Flashcards
During last Ice Age, Canada was _________
covered almost entirely by ice
What happens with ice after/during ice age?
Ice pressed down into the earth, now that it’s melted ground is rebounding
Niagara Escarpment
Big kind of hill right of QEW. Was covered by Massive Glacier.
Where is the Ontario land rising
Northern/Central Ontario Rising
In Northern Ontario, how fast is the land rising
1-3 metres per 100 years at Hudson and James bay coast.
When was the last Ice Age
2.5 million years ago
Where did the last ice age cover
Antarctica, Canada, Europe
Up to how thick was th eice
3 Kilometres Thick
What was this age known as?
Pleistocene Epoch
Ocean Levels dropped ______
120m
It was from __________ to _______
From 2.588 Million years ago to 11700 years ago
Time of _______–
Dramatic temperature swings
What were the two Ice Sheets
Laurentide –> Ontario, Canada east of the rocky mountains
Cordilleran –> Rocky Mountains
What were the era names for the cold and warm temperature swings
OLDEST TO YOUNGEST
COLD: Nebraskan, Kansan, Illinoian, Wisconsin
WARM: Altonian, Yamouth, Sargamon
What is an escarpment?
A steep slope/cliff made from faulting and erosion