HOME If
you do not see the lefthand table of contents frame, click the HOME link.
Some volcanic features in
Big Bend National Park, Texas.
Cerro Castolon, a volcanic
stack of white ash and brown to orange lava.
A volcanic neck sometimes mistaken
for a petrified tree (a small boulder once resided in the central “knothole”).
Mule Ears Peaks, a pair of
volcanic dikes exposed by erosion.