The Glacial History of Michigan. Science Foundations 1. The Glacial History of Michigan. The landforms of Michigan are a result of major changes brought about by continental glaciation. Landforms can be depositional or erosional in nature. The Glacial History of Michigan.
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Science Foundations 1
The last ice age was the fourth major ice age in Earth’s 4.6 billion year history.
In addition to the northern U.S. and Canada, the last ice age created the glacial landforms of northern Europe and Siberia.
2.0 billion years ago
600 million years ago
250 million years ago (on Pangaea!)The Glacial History of Michigan
ANSWER THE FOLLOWING: 4.6 billion year history.
*How many glacial periods
*About how often did they
*According to the graph, what
is global temperature doing now?
*Is the last Ice Age over yet?
Greenland 4.6 billion year history.
ICE SPREADING CENTERS
The depth of the lake is determined by the thickness of the ice at the time of glaciation. The farther north the lobe of ice, the thicker it was.
Consequently, the lakes get more shallow in the southern Great Lakes region.
LAKE: GREATEST DEPTH:
Superior = 1,333 ft.
Michigan = 925 ft.
Huron = 725 ft.
Ontario = 283 ft.
Erie = 212 ft.The Glacial History of Michigan