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15 terms

Chapter 7, 8th grade E.Science, Voc. Quiz

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alluvial fan
a cone of debris at the mouth of a canyon
deflation
the lifting & removal of loose particles which can results in shallow depressions
desert pavement
a stony surface layer created by deflation
dune
a mound of sand deposited by wind
glacial trough
a u-shaped valley that has been changed by a moving glacier
glacier
a thick mass of ice that forms over hundreds of thousands of years
ice age
time period when much of Earth was covered by glaciers
ice sheet
cover large regions where the climate is extremely cold
loess
windblown silt that blankets an area
moraine
layers of till left by a melted glacier
playa lake
a dry flat bed resulting from an abundant rain
snowline
lowest elevation of an area that remains covered in snow all year.
stratified drift
sediment laid down by glacial meltwater
till
material that is deposited directly by a glacier
valley glacier
an ice mass that moves slowly down valleys