Basalt Photos
Cochise College
Photos of Rocks       
Igneous Rocks
Geology Home Page
Roger Weller, geology instructor                       

wellerr@cochise.edu    copyright 2011
 

basalt, amygdaloidal-14
beach pebble- still retains mineral pocket
Keweenaw Peninsula, Michigan
 

basalt-scoria                                                                                                                                   4173
Photo is copyright free for non-commercial educational uses. 
Just credit photo to R.Weller/Cochise College.