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"Earth Impact"
Client:   Oklahoma Department of Libraries  
Copyright:   © 1999 by Karen Carr
Media:   Digital
Pictured:   Earth and K/T impact  
Geologic age:   Cretaceous/Tertiary boundary  
Did you know?    

Notes: 		 

Whether a meteor alone caused the extinction of dinosaurs is subject to considerable debate. But field research clearly shows that a major meteor impact does coincide with the boundary of the Cretaceous and Tertiary periods, called the K/T boundary, when many forms of life on earth became extinct.

Karen shows this impact and the dramatic effect it would have had on the Earth and its atmosphere.

       
   

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