Agents of Erosion & Deposition

19 terms by djrob318 

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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.

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