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


amygdaloidal basalt-2

cut slab of silicified basalt
An amygdaloidal basalt is one in with the gas created vesicles have been filled with a
mineral (amygdules). This amygdaloidal basalt has also been silicified. 


basalt                                                                                                                                              flat1

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