Trachyte Photos             

Cochise College                                                           
Photos of Rocks
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Virtual Geology Museum
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Roger Weller, geology instructor                       

wellerr@cochise.edu

Trachyte
last edited:  11/27/07    number of photos:  4
Trachyte is a fine-grained volcanic rock with a mineral
composition the same as syenite.
 

photos
trachyte:  1  2
trachyte porphyry:  1  2

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