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19 terms

Agents of Erosion & Deposition

STUDY
PLAY
shoreline
a boundary line between land and water
beach
an area of sand sloping down to the water of a sea or lake
longshore current
a water current that travels near and parallel to the shoreline
saltation
The movement of sand or other sediments by short jumps and bounces that is caused by wind or water
deflation
a decrease in the general price level of goods and services
abrasion
the wearing down of rock particles by friction due to water or wind or ice
dune
a ridge of sand created by the wind
loess
a fine-grained unstratified accumulation of clay and silt deposited by the wind
glacier
a large ice mass that moves slowly down a mountain or over land
iceberg
a large floating mass of ice, detached from a glacier and carried out to sea.
crevasse
A deep crack or fissure in the ice of a glacier.
glacier drift
the rock material carried and deposited by glaciers
stratified drift
rock material that has been sorted and deposited in layers by water flowing from the melted ice of a glacier
till
the mixture of sediments that a glacier deposits directly on the surface
mass movement
the downhill movement of rock and soil because of gravity
rock fall
a group of loose rocks that fall down a steep slope
landslide
a slide of a large mass of dirt and rock down a mountain or cliff
mudflow
The rapid downhill movement of a mixture of water, rock, and soil.
creep
the very slow downhill movement of rock and soil.