i think that streams eroded the rock over time making a narrow canyon thingy.
I think it is from a dry river.
erosion and water washing it away.
Creeks form the slot canyons.
EARTHQUAKES!!!!! (THAT WAS A GUESS, and my caps was on sorry)
It looks like it forms by earthquakes. It looks like the two walls fit together.
Process of Science
The Happy ScientistPromote Your Page Too
Contact The Happy Scientist
Copyright © 2006 - 2014. Robert Krampf All Rights Reserved. http://thehappyscientist.com