Trachyte Photos             

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


last edited:  11/16/16    number of photos:  4
Trachyte is a fine-grained volcanic rock with a mineral
composition the same as syenite.


trachyte:  1  2
trachyte porphyry:  1 


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