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10 Cards in this Set

  • Front
  • Back
Eolian
work of wind erosion, transportation and deposition
Deflation
blows away loose sediment
Abrasion
natures version of sandblasting
Ventrifacts
artificats of wind
Dune Field
tends to migrate in direction of strong prevailing winds
Barchan Dune
Crescentic: crescent shaped dune w/horns pointing downwind--limited sand available, only one slipface
-common in dune fields
Transverse
cresecent, asymmetrical ridge, only one slipface, inaffective wind, abundance sand
Longitudinal
linear, ridge shaped dune, two slipfaces
Seif
Linear, sword, shorter than longitudinal dunes, rounded toward upward direction
Loess
weathers and erodes into steep bluffs, areas of homogenous deposits.
-stands vertically, some 50-100ft thick