go to Caltech Home
image
image
 
home current exhibition submission archive about us contact
     
    Checkerboard Dunes  
   

 

next image

Alec Brenner
Undergraduate Student

The side of Checkerboard Mesa (Zion Nat'l Park, Utah), an outcrop of the Jurassic Navajo Sandstone. This formation preserves fossilized sand dunes, which were part of the world's largest dune sea 180 million years ago. A Caltech geology student provides scale.

abrenner@caltech.edu

go to top

   

 

 
   


© 2017 California Institute of Technology. All Rights Reserved.