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20 Cards in this Set
- Front
- Back
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Accumulation Zone |
The area above the firm line where snow accumulates |
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Arete |
A sharp mountain ridge |
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Cirque |
a half-open steep-sided hollow at the head of a valley or on a mountainside, formed by glacial erosion |
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Creationary ice age |
The belief there was only one ice ice age |
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Drumlins |
A small hill typically consisting of compacted boulders formed by glacial action |
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Erratics |
A rock that is different than the bedrock underneath it |
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Firn |
granular snow, especially on the upper part of a glacier, where it has not yet been compressed into ice |
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Glacial Polish |
Smooth rock features that been formed by glaciers |
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Glacial Till |
Sediments that get dropped off by a glacier and form moraines |
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Hanging valley |
a valley that is cut across by a deeper valley or a cliff |
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Horn |
when glaciers erode three or more arêtes, usually forming a sharp-edged peak |
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Ice floes |
A sheet of floating ice |
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Icecaps |
A covering of ice over a large area |
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Kettles |
shallow, sediment-filled body of water formed by retreating glaciers or draining floodwaters |
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Lateral moraine |
product of rock fall onto the margin of a glacier |
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Medial moraines |
is a ridge of moraine that runs down the center of a valley floor |
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Moraine |
The build of glacial till |
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Outwash plain |
plain formed of glacial sediments deposited by meltwater outwash at the terminus of a glacier |
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Straitions |
A series of ridges caused by glaciers |
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Wastage zone |
The zone where the melting of snow is faster than the accumulation of snow |
