Geology Field Trips
Geology Home Page
Roger Weller, geology instructor
firstname.lastname@example.org copyright 2017-R.Weller
During an eruption, small droplets of lava quickly cool to form a glass.
This droplet is approximately 1/2 inch in length.
Pele's tears 3879a
Photo is copyright free for non-commercial educational uses.
Just credit photo to R. Weller/Cochise College.