The Balconies Cliffs display a steep dip toward the northwest. The red layer in the middle of the cliff is a weathered ash bed that was baked by the heat of the subsequent massive eruption. A boulder of tuff rests in the foreground.
U.S. Department of the Interior - U.S. Geological Survey - Geology Discipline Privacy statement -- General disclaimer -- Accessibility This page is <http://3dparks.wr.usgs.gov/Pinnacles/> Maintained by Webmaster, Menlo Park, CA Last modified Mon 3/18/2003