Chert Photos
Cochise College        
Photos of Rocks        
Sedimentary Rocks
Geology Home Page              

Roger Weller, geology instructor

wellerr@cochise.edu    copyright 2011-R.Weller

 

gray chert-2
closer view

Joplin, Missouri


chert                                                                                                                                                78b
Photo is copyright free only for non-commercial educational uses.  
Just credit photo to R.Weller/Cochise College.