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GLACIERS What is a glacier? Large volume of ice on land Doesn’t melt in the summer Ice moves and flows with the pull of gravity What does it take? Very.

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Presentation on theme: "GLACIERS What is a glacier? Large volume of ice on land Doesn’t melt in the summer Ice moves and flows with the pull of gravity What does it take? Very."— Presentation transcript:

1 GLACIERS What is a glacier? Large volume of ice on land Doesn’t melt in the summer Ice moves and flows with the pull of gravity What does it take? Very cold temperatures Water! (no glaciers in Siberia)

2 Continental Glacier 1-2 mile thick sheet of ice Covers large area of land Antarctica and Greenland Covered large parts of North America including New York State

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7 Valley Glacier Is confined within a valley Found in mountain areas Alaska, Montana, Andes Mountains, Alps

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9 How does a glacier erode? Like a bulldozer Scrapes off rock and soil Pile of jumbled sediments Unsorted & Unlayered

10 Valley Shape Rivers erode by downcutting creating canyons and V-shaped valleys Glaciers “bulldoze” through the landscape creating U-shaped valleys

11 Glacial Features – Valley Glacier

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13 Horn

14 Arête

15 Cirque

16 Hanging Valley

17 U – Shaped Valley

18 Glacial Features – Cont. Glacier

19 Kettle Lake

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21 Drumlin

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24 Esker

25 Moraine Moraine (Till): Unsorted, unlayered mixture of sediment

26 Moraine

27 Outwash Plain

28 Outwash Plain – Layered and sorted

29 Kame

30 Finger Lakes

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