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17 Cards in this Set
- Front
- Back
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glacier
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large, long lasting mass of ice which forms on the land & moves downslope because of gravity
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valley glacier
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glacier that is confinced to a valley & flows from higher to lower elevations
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glacial erosion
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formation of u-shaped valleys, parallel scratches, & grooves in bedrock
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Zone of Accumulation
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upper part of a glacier where more snow falls than melts
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in what direction do glaciers move?
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downhill
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abraded
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scratched
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cirque
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bowl-shaped erosional scar on the side of a mountain formed by frost action & headword erosion of the glacier
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horn
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sharp peak that remains after cirques have cut back into a mountain on three or more sides
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moraine
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mass of glacial till left behind after a glacier has melted
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loess
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fine-grained, wind-blown deposits
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dune
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mound or ridge of sand deposited by the wind
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mudflow
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downhill movements of fine-grained surface material that has been saturated with h20
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slump
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downward slipping of rock material, usually with a backward rotation
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How are stream drainage patterns determined?
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by the type & structure of rock over which the stream has been flowing & how old it is
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uplifting forces
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raise or roughen earth's surface
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leveling forces
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lower the elevvation of earth's surface
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bedrock
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solid unbroken rock of Earth's crust
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