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  2. Geology of the Grand Canyon area - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_Grand...

    The resulting Grand Canyon Supergroup of sedimentary units is composed of nine varied geologic formations that were laid down from 1.2 billion and 740 million years ago in this sea. [11] Good exposures of the supergroup can be seen in eastern Grand Canyon in the Inner Gorge and from Desert View, Lipan Point and Moran point. [12] [note 1]

  3. Esplanade Sandstone - Wikipedia

    en.wikipedia.org/wiki/Esplanade_Sandstone

    The Lower Permian Esplanade Sandstone is a cliff-forming, resistant sandstone, dark red, geologic unit found in the Grand Canyon.The rock unit forms a resistant shelf in the west Grand Canyon, south side of the Colorado River, at the east of the Toroweap Fault, down-dropped to west, southeast of Toroweap Overlook (North Rim, at Lava Falls), and west of Havasupai.

  4. Toroweap Fault - Wikipedia

    en.wikipedia.org/wiki/Toroweap_Fault

    In the Grand Canyon, the Toroweap-Hurricane Fault causes a change of surface rock expression in the canyon's west, on the South Rim. The Esplanade Sandstone an erosion resistant member of the Supai Group creates a platform called The Esplanade. The landform is upstream on the Colorado River, South Rim, across from Toroweap Point, and the ...

  5. Supai Group - Wikipedia

    en.wikipedia.org/wiki/Supai_Group

    The disconformity between the Redwall Limestone and the Supai Group records a time of regional uplift, in which the Grand Canyon area was elevated by at least several hundred feet. Erosion carved channels in the Redwall Limestone that reach a maximum depth of 400 feet (120 m) in the western Grand Canyon. [ 10 ]

  6. Grand Canyon - Wikipedia

    en.wikipedia.org/wiki/Grand_Canyon

    The Grand Canyon [a] is a steep-sided canyon carved by the Colorado River in Arizona, United States.The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and attains a depth of over a mile (6,093 feet or 1,857 meters).

  7. Colorado Plateau - Wikipedia

    en.wikipedia.org/wiki/Colorado_Plateau

    The Colorado Plateau has the greatest concentration of U.S. National Park Service (NPS) units in the country outside the Washington, DC metropolitan area. Among its nine national parks are Grand Canyon, Zion, Bryce Canyon, Capitol Reef, Canyonlands, Arches, Black Canyon, Mesa Verde, and Petrified Forest.

  8. Geography of Colorado Springs, Colorado - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Colorado...

    Downtown Colorado Springs, looking west to Rampart Range. Colorado Springs geography describes geographical topics regarding the city of Colorado Springs, Colorado in El Paso County, Colorado. With 194.87 sq mi (504.7 km 2) of land, it is the state's largest-sized city. Denver is the most populated city.

  9. Vulcan's Throne - Wikipedia

    en.wikipedia.org/wiki/Vulcan's_Throne

    Vulcan's Throne is a cinder cone volcano and a prominent landmark on the North Rim of the Grand Canyon in Arizona, United States. [4] The volcano is adjacent the Colorado River, (thousands of feet above the river) as it is the source material for Lava Falls and Lava Falls Rapids (Vulcan Rapids) one of the largest rapids of the Colorado.