Cochise College         Virtual Geology

                          Geology Home Page               Field Trips

                          Roger Weller, geology instructor

                          wellerr@cochise.edu
                                  copyright 2004-R.Weller
Arizona
Flagstaff Area Volcanics
lava flow associated with S.P. Crater
Note the plume-like pattern of the lava flow and the sharp drop off at the edges of the flow.