Diorite Photos
Cochise College
Photos of Rocks        Igneous Rocks
Virtual Geology Museum       Hall of Rocks
Geology Home Page
Roger Weller, geology instructor                     

wellerr@cochise.edu    copyright 2007 
 

quartz diorite (tonalite)-2
closer view
Mannum, South Australia


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

Specimen from Cochise College collection

rock110