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

wellerr@cochise.edu    copyright 2010   

 

porphyry, weathered feldspar phenocrysts-1
Texas Canyon, Cochise County, Arizona


porphyry-phenocrysts                                                                                                                  2162
Photo is copyright free for non-commercial educational uses. 
Just credit photo to R.Weller/Cochise College.