Split Mountain (Utah)

Last updated
Split Mountain
Green River (4056802153).jpg
East aspect, viewed from Ruple Point
Highest point
Elevation 7,657 ft (2,334 m) [1] [2]
Prominence 1,980 ft (604 m) [1]
Parent peak Limber Flag (9,510 ft) [1]
Isolation 4.24 mi (6.82 km) [1]
Coordinates 40°29′00″N109°13′12″W / 40.4832897°N 109.2199848°W / 40.4832897; -109.2199848 [3]
Geography
USA Utah relief location map.svg
Red triangle with thick white border.svg
Split Mountain
Location in Utah
Usa edcp relief location map.png
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Split Mountain
Split Mountain (the United States)
CountryUnited States
State Utah
County Uintah
Protected area Dinosaur National Monument
Parent range Uinta Mountains [2]
Topo map USGS Split Mountain
Geology
Rock age Permian-Pennsylvanian
Rock type Weber Sandstone
Climbing
Easiest route class 2 hiking [1]

Split Mountain is a 7,657-foot-elevation (2,334-meter) summit in Uintah County, Utah, United States.

Contents

Description

Split Mountain is located 13 miles (21 km) east of Vernal, Utah, in Dinosaur National Monument and the eastern Uinta Mountains. Precipitation runoff from this double summit mountain drains into the Green River. Topographic relief is significant as the west summit rises 2,800 feet (853 meters) above the river in 1.3 miles (2.1 km). The lower east summit reaches an elevation of 7,519 feet (2,292 m). [4] Split Mountain is composed of Permian-Pennsylvanian cliff-forming Weber Sandstone with Permian slope-forming Park City Formation around the lower base. [5] The reason that the older Weber Sandstone is seemingly above the younger Park City Formation is because Split Mountain is a nearly symmetrical anticline. [6] This landform's toponym has been officially adopted by the United States Board on Geographic Names. [3] It is named in association with Split Mountain Canyon, in turn named by John Wesley Powell in 1869 as his expedition passed through this mountain which the Green River split via erosion. [7]

Climate

Spring and fall are the most favorable seasons to visit Split Mountain. According to the Köppen climate classification system, it is located in a semi-arid climate zone, with temperatures averaging between 0 °F to 30 °F in January, and 50 °F to 100 °F in July. [8] Typical of high deserts, summer temperatures can be exceedingly hot, while winter temperatures can be very cold. Snowfall is common, but the snow melts rapidly in the arid and sunny climate. Rainfall is very low, and the evaporation rate classifies the area as desert, even though the rainfall exceeds 10 inches.

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References

  1. 1 2 3 4 5 "Split Mountain, West - 7,657' UT". listsofjohn.com. Retrieved 2024-09-21.
  2. 1 2 "Split Mountain, Utah". Peakbagger.com. Retrieved 2024-09-21.
  3. 1 2 U.S. Geological Survey Geographic Names Information System: Split Mountain
  4. "Split Mountain - East Peak, Utah". Peakbagger.com. Retrieved 2024-09-21.
  5. Geologic Map of Dinosaur National Monument, National Park Service, Retrieved 2024-09-21.
  6. The Geologic Story of the Uinta Mountains, Wallace R. Hansen, U.S. Geological Survey, 1969, p. 37.
  7. Major John Wesley Powell's 1869 Journey Down the Green and Colorado Rivers of Utah, Thomas C. Chidsey Jr., Utah Geological Survey, Retrieved 2024-09-21.
  8. Weather Dinosaur National Monument. National Park Service.gov