Basalt Photos                               

Cochise College
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Roger Weller, geology instructor                       

wellerr@cochise.edu

 

Basalt Photos
last edited:  11/15/07    number of photos:  29
Basalt is a common, fine-grained (aphanitic), dark-colored volcanic rock.
Its mineral content is primarily pyroxene and calcium-rich
plagioclase feldspar.  Magnetite is almost always present.

In a hurry?   a quick guide to basalt
                 a quick guide to basaltic volcanism

                                                                                                             

photos
basalt, amygdaloidal:  1  2  3  4  5  6  7
basalt, cinders:  1  2  3  4

basalt, fresh broken surface:   1  2  3

basalt, oxidized:   1
basalt, pahoehoe lava flows:  1  2  3  4  5

basalt, scoria:   1 
basalt, scoria-oxidized:  1  2 
basalt with copper:  1

basalt with olivine:   1  2  3
basalt, vesicular:  1  2

Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.
copyright 2007-R.Weller