Idaho- Craters of the Moon-Volcanics           
Cochise College         

Virtual Geology Field Trips
Virtual Geology Museum
Geology Home Page

Roger Weller, geology instructor   

wellerr@cochise.edu   copyright 2008-R.Weller

 
volcanic bomb-A
This volcanic bomb has been split in half, showing small vesicles near the surface
and larger ones within the interior.
 

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