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erosion and deposition by wind ice and gravity
Terms in this set (8)
abrasion is the grinding between two rocks, sandblasting effect slowly erodes by stripping away surface, only happens with strong winds, loose sand, soft rocks
removal of fine sediment by wind, wind always moves top layer of sediment, after a while the rock fragments may be only material
mounds of wind-deposited sand, when wind hits an obstacle it slows down and drops material, mound forms and original obstacle is buried
thick deposit of windblown, fine sediment, wind can move extremely fine sediment long ways, can feel like talcum powder
glacier: large mass of moving ice formed by snow, gravity causes glaciers to move, steeper slope=faster movement
forms in a mountainous area, flow of water in a stream creates a V shape, glacier widens the valley into a U shape
slow mass movement, rapid mass movement both are controlled by gravity, creep: extremely slow movement of material downhill
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