Geology Home Page
Roger Weller, geology
instructor
wellerr@cochise.edu
copyright
2009-R.Weller last updated: 1/9/09
Precambrian Formations
views of the Pinal Schist
photos
Pinal Schist-1
(just above the Mule Pass tunnel in Bisbee)
quartz vein in
the Pinal Schist
Photographs are copyright free for non-commercial
educational uses.
Just credit photos to R.Weller/Cochise College.
