Geologic Time Videos
Best Geology Videos on You Tube
                                      
Cochise College     

Geology Home Page
Roger Weller, geology instructor  ( wellerr@cochise.edu )  


sequence of layers of sedimentary rock, Whetstone Mountains, Cochise County, Arizona
 

 

Geologic Time Scale Song
    http://www.youtube.com/watch?v=qL4XLX0pSSo