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

andesite-dacite tuff breccia-1
Calico Mountains, near Barstow, California

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