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34
million years ago (late Eocene)
Find the clickable
hot spots for details and evidence, or follow the links below. (Click
to see larger image) |
Description:
A few million years after a catastrophic volcanic eruption, palm
trees and other plants have slowly recolonized the landscape. Rivers
and streams have carved out new pathways in the concretelike
volcanic rock. Intermittent heavy rains cause catastrophic
floods to roar down the shallow canyonssweeping up unfortunate
rhinos, titanotheres, and anything else in their path!
Formation:
Castle
Rock Conglomerate
Artist: Jan
Vriesen
Best Viewing
Spots:
- Rock Park
(Castle Rock)
- Castlewood
Canyon State Park
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The lower slopes
of Castle Rock are formed of Dawson Arkose and only the rectangular
chunk at the top of Castle Rock is composed of the Castle Rock Conglomerate.
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