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Called the Dakota Sandstone, it is the oldest formation exposed in the Bryce Canyon area but the youngest one exposed in the Zion and Kolob canyons area to the southwest. Abundant amounts of petrified wood , oyster beds containing millions of fossils, and coal are all found in the Dakota. [ 4 ]
In fact the youngest formation seen in the Zion area is the oldest exposed formation in Bryce Canyon – the Dakota Sandstone. There are, however, shared rock units between all three, creating a super-sequence of formations that geologists call the Grand Staircase. Bryce Canyon's formations are the youngest known units in the Grand Staircase.
The formations in the Devils Garden were created, and continue to be shaped, by various weathering and erosional processes. [ 5 ] [ 6 ] These natural processes have been shaping sandstone layers formed more than 166 million years ago during the Jurassic period's Middle epoch.
Bryce Canyon Utah The dizzying clusters of sandstone spires in Bryce Canyon, known as hoodoos, set this spot apart from so many other dazzling southwestern landscapes.
Photos shared on Facebook show the rockfall left two noticeable “rectangular cavities” in the canyon wall, officials said. Bryce Canyon National Park is about 260 miles south of Salt Lake City.
The oldest beds of this formation belong to the Dinosaur Canyon Member, a reddish, slope-forming rock layer with thin beds of siltstone that are interbedded with mudstone and fine sandstone. [11] The Dinosaur Canyon, with a local thickness of 140 to 375 feet (43 to 114 m), was probably laid down in slow-moving streams, ponds and large lakes. [ 7 ]
The park is located in southwestern Utah about 50 miles (80 km) northeast of and 1,000 feet (300 m) higher than Zion National Park. [6] [7]Bryce Canyon National Park lies within the Colorado Plateau geographic province of North America and straddles the southeastern edge of the Paunsaugunt Plateau west of Paunsaugunt Faults (Paunsaugunt is Paiute for "home of the beaver"). [8]
Hoodoos in Bryce Canyon National Park, Utah. A hoodoo (also called a tent rock, fairy chimney, or earth pyramid) is a tall, thin spire of rock formed by erosion.Hoodoos typically consist of relatively soft rock topped by harder, less easily eroded stone that protects each column from the elements.