Basalt Photos
Cochise College
Photos of Rocks       
Igneous Rocks
Geology Home Page
Roger Weller, geology instructor                   copyright 2011


amygdaloidal basalt-4
closer view
Keweenaw Peninsula, Michigan
Green mineral is epidote.


basalt                                                                                                                                          034b

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

Specimen from Cochise College collection