Return to Monument Valley Tribal Park Parts of Canyon de Chelly is vegetated although it's land is not very fertile due to the dry climate and dried up river. Pg. It took some convincing with the Navajo tribal council to ensure this process would not interfere with their treaty rights. We encourage the reuse and dissemination of the material on this site
Relevance Skip to main content. In the place called Tsegi, their homes and images tell us their stories. Canyon de Chelly, as a National Monument, covers 83,840 acres (339.3 km2; 131.0 sq miles) of land that is currently owned by the Navajo tribe. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]. take the excess sand downward and restore the equilibrium situation, which is an sands (as opposed to the water deposited sands of the Cutler red beds) filled in the basin south of Canyon de Chelly View from the White House Overlook. Massive, very cross-bedded light-red or brown sandstone, 0 to 585 feet thick, unconformably underlying Shinarump conglomerate and overlying Moenkopi formation in Navajo country. material on the InTeGrate site is retained. DeChelly sandstone member (light-colored), Organ Rock tongue (red), Cedar Mesa sandstone member (white), and Halgaito tongue (red); (4) they restricted the name DeChelly sandstone in Utah to southern part of San Juan County and applied the new name White Rim sandstone member to the 0 to 100 feet of white sandstone, in northern part of San Juan County, of approximately the same age as upper part of typical DeChelly and called DeChelly and DeChelly(?) 102. Canyon de Chelly Snow covered fields. In and near Monument Valley, De Chelly member of Cutler underlies Hoskinnini (herein reallocated to member status in Moenkopi formation). Cannot be correlated in its entirety with any other single Permian formation in the area. Canyon de Chelly National Monument Geodiversity refers to the full variety of natural geologic (rocks, minerals, sediments, fossils, landforms, and physical processes) and soil resources and processes that occur in the park. A product of the Geologic Resources Inventory, the NPS Geodiversity Atlas delivers information in support of education, Geoconservation, and integrated management of living (biotic) and non-living (abiotic) components of the ecosystem. indicate that this sand came from the north and northeast directions, from the Gregory, H.E., 1915, The igneous origin of the "glacial deposits" of the Navajo Reservation, Arizona and Utah: American Journal of Science, 4th series, v. 40, art. Modifications include using any area where two or more strata crop out or even using pre-collected rocks, maps, and photos for a classroom-only exercise. 1855 (fig. Cross sections. Canyon de Chelly is a unique park, since it is an actively lived in park. Baker, A.A., and Reeside, J.B., Jr., 1929, Correlation of the Permian of southern Utah, northern Arizona, northwestern New Mexico, and southwestern Colorado: American Association of Petroleum Geologists Bulletin, v. 13, no. Click here to learn more about the sedimentary rock formations exposed in Canyon de Chelly National Park. the dune. Science. 9, p. 1189-1217. To search for additional information, visit the Data Store. DeChelly sandstone. This image depicts the vegetation in the valley but also hoe dry and arid the ground is. http://www.nature.nps.gov/geology/inventory/publications/s_summaries/CACH_GRE_scoping_summary_2007-0621.pdf. correct, then the direction of the prevailing winds can be determined f the Pg. deposited strata attaining a depth of 50 feet are forming today (Great Sand Dunes National Mojave desert). Click here to see tours of other national parks. Rank raised to formation. Flickr Ancestral Rockies (the Uncompahgre uplift in Utah and Colorado). 3), 1862. Age is Permian(?). Sandstones named Meseta Blanca Sandstone Member of the Yeso Formation in the Nacimiento Mountains north of Albuquerque, NM, Sandoval Co, San Juan basin, are equivalent to Permian De Chelly Sandstone of the Cutler Group in Zuni Mountains and Defiance uplift, McKinley and Valencia Cos, San Juan basin. windward slope of the dunes and deposited on the leeward side of Name adopted for forthcoming report for beds overlying Moenkopi formation and underlying Shinarump conglomerate in Navajo Indian Reservation, Arizona. For nearly 5,000 years, people have lived in these canyons - longer than anyone has lived uninterrupted anywhere on the Colorado Plateau. Or, see a thumbnail gallery. Privacy geology tours of National Parks. Yeso treated as a unit restricted by removal of De Chelly-type sandstones from it. Gallopingphotog/Flickr . U.S. Department of the Interior | U.S. Geological Survey Supported by the National Cooperative Geologic Mapping Program [Author suggests preference for De Chelly, but does not abandon Meseta Blanca.] Ranges from 225 feet thick at Pine Springs to 817 feet thick in Canyon de Chelly. of a type called crossbedded sandstone. Overlies Organ Rock Formation of Cutler Group. The De Chelly and the Meseta Blanca are flat-bedded and thinly bedded siltstone or very fine sandstones that were deposited in a subaqueous and probably marine environment. http://3dparks.wr.usgs.gov/coloradoplateau/canyondechelly_strat.htm, http://www.nature.nps.gov/geology/parks/cach/index.cfm, http://www.desertusa.com/ind1/du_cdcdesc.html. This means that there are many depositional surfaces, highly inclined to the horizontal.
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