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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]
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).
The Grand Canyon Supergroup is a Mesoproterozoic to a Neoproterozoic sequence of sedimentary strata, ... (3.5 mi by 2.0 mi block) At Apollo Temple landform, the ...
Horseshoe Bend is located 5 miles (8 km) downstream from the Glen Canyon Dam and Lake Powell within Glen Canyon National Recreation Area, about 4 miles (6 km) southwest of Page. [ 1 ] [ 3 ] It is accessible via hiking a 1.5-mile (2.4 km) round trip from a parking area just off U.S. Route 89 within southwestern Page. [ 1 ]
The Grand Canyon Association (GCA) is the National Park Service's official nonprofit partner. It raises private funds to benefit Grand Canyon National Park by operating retail shops and visitor centers within the park, and providing educational opportunities about the natural and cultural history of the region. Its goals include:
Figure 1. A geologic cross section of the Grand Canyon. [5]The Tonto Group is a name for an assemblage of related sedimentary strata, collectively known by geologists as a Group, that comprises the basal sequence Paleozoic strata exposed in the sides of the Grand Canyon.
The Grand Canyon, Arizona, at the confluence of the Colorado River and Little Colorado River.. A canyon (from Spanish: cañón; archaic British English spelling: cañon), [1] gorge or chasm, is a deep cleft between escarpments or cliffs resulting from weathering and the erosive activity of a river over geologic time scales. [2]
Aerial overview, westward. Scorpion Ridge has the common sequence of rock layers of the Grand Canyon. Because of the landform's shape and position, broad colorful dull-greenish slope-forming slopes of Bright Angel Shale surround the landform, ending at short platform cliffs of Tapeats Sandstone, upon Granite Gorge and the Vishnu Basement Rocks.
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