Mass Movements
Downslope movement if earth materials due to gravity that can occur suddenly or slowly over time.
What is a mass movement?
A pile of windblown sand that develops over time.
What is a dune?
Large, moving mass of ice that forms near Earth's poles.
What is a glacier?
A conical mound of layered sediment.
What is a kame?
Slow, steady downhill movement of loose weathered Earth materials.
What is a Creep?
Thick, windblown fertile deposit of silt.
What is Loess?
Glacier that forms over a broad area and spreads out from the center.
What is a continental glacier?
A lake formed when runoff and precipitation fill a depression formed by a melting ice block covered in sediment.
What is a kettle?
Rapidly flowing , often destructive mixture of mud and water that may be triggered by an earthquake.
What is mudflow?
Lowering of land surface caused by wind erosion of loose surface particles.
What is deflation?
Glacier that forms in a valley in a mountainous area that flows downslope.
Long, winding ridge of layered sediments deposited by streams that flow beneath a melting glacier.
What is an esker?
Landslide that occurs in a mountainous area swiftly down a mountainside.
What is an avalanche?
Process of erosion in which windblown or waterborne particles scrape against rock surfaces.
What is abrasion?
Ridge or layer of mixed debris deposited by a melting glacier.
What is a moraine?
Elongated landform that results when a glacier moves over an older moraine.
What is a drumlin?
Mass movement that occurs when earth materials in a landslide rotate and slide along a curved surface.
What is a slump?
Rock shaped by windblown sediments.
What is a ventifact?
Area at the leading edge of a glacier.
What is an outwash plain?
What is a cirque?