itssedimentary: “ Wave-cut Platforms and Coastal Geomorphology While Wisconsin more so conjures images of snow and cold (and cheese) than it does the ocean, it actually has a spectacular coastline along Lake Michigan that undergoes traditional...
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itssedimentary: “ Wave-cut Platforms and Coastal Geomorphology While Wisconsin more so conjures images of snow and cold (and cheese) than it does the ocean, it actually has a spectacular coastline along Lake Michigan that undergoes traditional...
Zoom Info
itssedimentary: “ Wave-cut Platforms and Coastal Geomorphology While Wisconsin more so conjures images of snow and cold (and cheese) than it does the ocean, it actually has a spectacular coastline along Lake Michigan that undergoes traditional...
Zoom Info

itssedimentary:

Wave-cut Platforms and Coastal Geomorphology

While Wisconsin more so conjures images of snow and cold (and cheese) than it does the ocean, it actually has a spectacular coastline along Lake Michigan that undergoes traditional coastal geomorphology processes.  

Cave Point County Park in Door County, Wisconsin features great examples of wave-cut platforms (shown in the above photos).

Wave-cut platforms are the remnants of previous cliff lines. As the waves roll in, they continually pound against and erode the cliffs, causing undercutting–cutting deeper and deeper in the rock until a cave forms (shown below).

image

Due to the force of gravity and freeze-thaw cycles weakening the rock above the undercut areas, mass wasting erosion of the existing cliff face occurs, leaving behind a flat platform at sea level.

image

The cliff will continue to retreat as these erosional processes take place, progressively leaving behind these bedrock ledges. 

All images and illustrations by author

(via moreanimalia)

Source: itssedimentary

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