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PCS Earth Science

Chapter 8 vocab

mass movement movement of loose sediments and rock down slope due to gravity
creep slow, steady downhill flow of loose material
mud flow fast moving mixture of mud and water
land slide rapid downhill movement of material large area looses layer of rock and rapidly down slope
slump material moves along a curved surface and rotates and slides down
avalanche movement of snow
deflation lowering of land surface due to wind erosion
abrasion Rocks and sediment grinding against each other wear away surfaces
ventifact rocks shaped by wind blown sediments polished smooth sides and sharp edges
loess wind blown thick silt deposits from glacial activity it makes very fertile soil
glacier mass movement of ice
valley glacier accumulations of snow and ice in the mountainous areas, flow very slowly
continental glacier cover much more area than valley, thickest in the center and tin at the edges
cirque deep depression scooped out by a valley glacier.
esker long winding ridge of layered sediments deposited by streams
Created by: cboula



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