The Palisades by Cytisus
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Description
"The Palisades are Clues to the Past"
"The Rock before you is a clue to a Geologic Mystery. Between 110,000 and 20,000 years ago, A volcano erupted about Nine miles away. DACITE lava flowed here and stopped, forming an unusually deep pool. Geologists don't know for sure what blocked the lava It could have been a glacier or a cliff."
"The edge of the lava flow cooled much faste than the rest of the flow. This made the fractures in the columns."
" Long after the lava cooled, the Clear Fork of the Cowlitz River scoured away the softer Material, exposing the Pallisades."
Courtesy of the US Forest Service!
Comments (5)
Impressive view.
Better shot coming tomorrow!!!!!!!!!!!!!!!!!!!!!!!!!
Must have been a glacier to stop it so sharply....I do love nature!
I never knew what the name meant. I learned something
I am waiting for the better picture.