Basalt Photos                               

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

wellerr@cochise.edu

 

Basalt Photos
last edited:  11/7/16    number of photos:  61
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  8  9  10 
        11  12  13  14  15  16  17
basalt, cinders:  1  2  3 
4

basalt, fresh broken surface:   1  2  3  4  5  6

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

basalt, scoria:   1  2  3  4  5  6
basalt, scoria-oxidized:  1  2  3  4  5  6  7 
basalt with copper:  1
basalt with spinel:  1  2

basalt with olivine:   1  2  3
basalt with olivine-Hawaii:  1  2
basalt, vesicular:  1  2  3  4  5  6  7
basalt, porphyritic:  1

Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.
copyright 2016-R.Weller

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