Click here to begin a geologic image tour of Petrified Forest National Park. To learn more about Petrified Forest National Park check out the National Park Service website at: http://www.nps.gov/pefo/. |
Generalized stratigraphy modified after Billingsley, G.H., 1985, General
stratigraphy of Petrified Forest National Park: Museum of Northern
Arizona Bulletin, v. 54, p. 3-8.
Stratigraphic unit information is modified from the USGS GeoLex (Lexicon of Geology): http://ngmdb.usgs.gov/Geolex/geolex_qs.html. A generalized geologic time scale is available at: http://3dparks.wr.usgs.gov/coloradoplateau/timescale.htm. |