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16 Cards in this Set
- Front
- Back
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glacier
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any large mass of ice that moves slowly over land
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continental glacier
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a glacier that covers much of a continent or large island
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valley glacier
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a long, narrow glacier that forms when snow and ice build up high in the mountain valley
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ice ages
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times in the past when continental glaciers have covered large parts of Earth's surface
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plucking
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the process by which glaciers pick up rocks
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abrasion
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the process by which glaciers drag rocks across the land causing gouges and scratches in the bedrock
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till
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the mixture of sediments that a glacier deposits directly on the surface
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moraine
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mounds or ridges of till
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horn
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a sharpened peak
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cirque
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a bowl-shaped hollow
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kettle
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small depression formed when a block of ice melts in till
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arete
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sharp ridge separating cirques
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drumlin
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a long mound of till that is higher at one end than at the other
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Glacial landforms created by erosion
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U-shaped valley, horn, cirque, glacial lake, arete
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Glacial landforms created by deposition
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moraine, kettle, drumlin
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fiord
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sea-filled valley cut by a glacier in a coastal region
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