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20 Cards in this Set
- Front
- Back
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Ablation
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snow/ice accumulation is lost
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Abrasion
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glacial ice and its rock load slides over bedrock and smothes and polishes the surface.
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Alpine glacier
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(valley glacier)-a stream of ice bound by precipitous rock walls which flows downvalley from a snow accumulation point near its head.
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aretes
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sharp-edged ridges
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Calving
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when large ice chunks break off the glacier causing icebergs
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Cirque
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A large bowl-shaped depression surrounded by rock wall on 3 sides. Associated w/ alpine glaciers. Area of snow accumulation and ice formation.
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Crevasses
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Cracks due to tension
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Drumlin
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Asymmetrical hills made of till-the steep side faces direction from which glacier advanced. The gentle slope side points to direction the ice is going
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End moraine
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ridge of till formed at the terminus of a glacier.
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Eskers
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ridges made of sand and gravel deposited by meltwater from still glaciers.
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Ablation
|
snow/ice accumulation is lost
|
|
|
Abrasion
|
glacial ice and its rock load slides over bedrock and smothes and polishes the surface.
|
|
|
Alpine glacier
|
(valley glacier)-a stream of ice bound by precipitous rock walls which flows downvalley from a snow accumulation point near its head.
|
|
|
aretes
|
sharp-edged ridges
|
|
|
Calving
|
when large ice chunks break off the glacier causing icebergs
|
|
|
Cirque
|
A large bowl-shaped depression surrounded by rock wall on 3 sides. Associated w/ alpine glaciers. Area of snow accumulation and ice formation.
|
|
|
Crevasses
|
Cracks due to tension
|
|
|
Drumlin
|
Asymmetrical hills made of till-the steep side faces direction from which glacier advanced. The gentle slope side points to direction the ice is going
|
|
|
End moraine
|
ridge of till formed at the terminus of a glacier.
|
|
|
Eskers
|
ridges made of sand and gravel deposited by meltwater from still glaciers.
|
