|Generalized stratigraphy after:
Pierce, H. W., 1989, Correlation problems of Pennsylvanian-Permian strata of the Colorado Plateau of Arizona: in Geologic Evolution of Arizona, Jenney, J. P. and Reynolds, S. J., editors, Arizona Geological Society Digest 17, p. 349-368.
Condon, S. M., 1992, Geologic framework of pre-Cretaceous rocks in the Southern Ute Indian Reservation and adjacent areas, southwestern Colorado and northwestern New Mexico, IN Geology and mineral resources of the Southern Ute Indian Reservation: U.S. Geological Survey Professional Paper, 1505-A, p. A1-A56.
Stanesco, J. D., Dubiel, R. F., and Huntoon, J. E., 2000, Depositional environments and paleotectonics of the Organ Rock Formation of the Permian Cutler Group, southeastern Utah: In, Geology of Utah's parks and monuments: Sprinkel, Douglas A., Chidsey, Thomas C., Jr., and Anderson, Paul B., Utah Geological Association Publication, v. 28, p. 590-605.
|Click here to take an image tour of Canyon de Chelly National Monument.
View of Canyon de Chelly showing massive outcrops of the de Chelly Sandstone (Permian age) capped by Shinarump Conglomerate (Triassic age). To learn more about Canyon de Chelly National Monument check out the National Park Service website at: http://www.nps.gov/cach/.
Stratigraphic unit information is modified from the USGS GeoLex (Lexicon of Geology): http://ngmdb.usgs.gov/Geolex/geolex_qs.html.
Information about the Geologic Time Scale is available at: https://gotbooks.miracosta.edu/gonp/coloradoplateau/timescale.htm.