Obsidian Photos
Cochise College
Photos of Rocks       

Igneous Rocks
Geology Home Page
Roger Weller, geology instructor                       

wellerr@cochise.edu    copyright 2011 


dull, flow banded obsidian-3
Salton Sea, California

 


obsidian                                                                                                                                        7-04a

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