erosion the physical removal and transporting of rock material by natural agents such as water, wind...
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Erosion
the physical removal
and
transporting
of rock material
by natural agents
such as
water, wind or ice.
Wind erosionWind-blown sand (silica) erodes
softer rock (shale , limestone) leaving behind the more resistant sandstone
Type of mass movement
Amount of water Time / speed Composition Causes
Creep
Slump
Earthflow
Mudflow
Lahar
12.3 Mass Movement (pg. 268-270)
Types of Mass Movement
These are all types of Landslides!!!!!
• Creep:
• Slump:
• Earthflow:
• Mudflow:
Factors that Effect Landslides
• Water/rainfall
• Composition of the ground
• Amount of loose weathered material
Triggers:
• Earthquakes
• Gravity/steepness of the slope
• Erosion (undercutting)
The remains of the massive landslide are seen on Monday, March 24 2014. The landslide blocked the highway and the Stillaguamish River.
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