Font Size: Decrease Font SizeNormalize Font SizeIncrease Font Size Feedback

• Exhibitions
• About the Museum
• Membership
• Educator Resources

search

Origins

Life on Earth, 325 million years ago.
GEO86500_036d, http://fieldmuseum.org
 

Earth 300 million years ago (Pennsylvanian).
Ron Blakey, Colorado Plateau Geosystems, http://cpgeosystems.com/

 

Visitors in the Age of Dinosaurs

Monument Valley, Arizona/Utah, 270 million years ago.

Spider Rock, Canyon de Chelley, Arizona, 270 million years ago.

Earth 260 million years ago (Late Permian).
Ron Blakey, Colorado Plateau Geosystems, http://cpgeosystems.com/
 

Triassic Landscape, 225 million years ago.
© Karen Carr, www.karencarr.com

The Painted Desert, Arizona, 225 million years ago.
National Park Service photo.

Earth 150 million years ago (Late Jurassic).
Ron Blakey, Colorado Plateau Geosystems, http://cpgeosystems.com/

 

<< BACK          NEXT >>

 

© City of Mesa | Translate | Contact Info | User Survey | Policies | Disclaimer |