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How did the lakes of Michigan form?

How did the lakes of Michigan form?

Lake Michigan and the Great Lakes were formed due to a massive continental glacier called the Laurentide Ice Sheet. This ice sheet covered over 5 million square miles of land and in some areas it had a thickness of up to three miles.

Did glaciers make Lake Superior?

By about 2 millions years B.P. it was cold enough for glaciers to form in North America. The shorelines of modern Lake Superior started to develop almost 10,000 years (B.P.) 9,500 Years Ago, The glaciers towered several kilometres above the ground, and the massive weight of the ice pushed the earth’s crust down.

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Did the Great Lakes used to be an ocean?

Thousands of years ago, the melting mile-thick glaciers of the Wisconsin Ice Age left the North American continent a magnificent gift: five fantastic freshwater seas collectively known today as the Great Lakes — Lake Superior, Lake Huron, Lake Michigan, Lake Erie and Lake Ontario.

How did the Great Lakes form quizlet?

How were the Great Lakes formed? Glaciers cut out deep depressions and pushed ahead rock and soil. When they melted, the rock and soil piled up and blocked drainage. Then water eventually filled the lakes.

How long did it take to form the Great Lakes?

It’s estimated that the glacier was nearly 2.5 miles thick. About 14,000 years ago, things began to warm and the Laurentide glacier started to melt. As it melted, water filled the huge holes carved by the glacier. This process took about 7,000 years!

Are Great Lakes man made?

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As one of the youngest natural features on the North American continent, the lakes remain a dynamic, evolving system. Four of the five Great Lakes are at different elevations, leading like a series of steps toward the Atlantic Ocean.

What caused the Great Lakes formation select all that apply?

Giant glaciers eroded Earth’s surface, carving out the basins that now hold the Great Lakes. The weight of the glaciers pushed down the Earth’s crust, forming the basin that now hold the Great Lakes.

Where are the Great Lakes located quizlet?

Largest of the great lakes, located between Ontario, Wisconsin, Minnesota, and Michigan, farthest to the west.

How are lakes formed?

The huge masses of ice carved out great pits and scrubbed the land as they moved slowly along. When the glaciers melted, water filled those depressions, forming lakes. Glaciers also carved deep valleys and deposited large quantities of earth, pebbles, and boulders as they melted.