Gregory Butte

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Gregory Butte
Gregory Butte, Lake Powell.jpg
Aerial view of north aspect
Highest point
Elevation4,651 ft (1,418 m)[1]
Prominence1,011 ft (308 m)[1]
Parent peakPoint 5246[2]
Isolation1.55 mi (2.49 km)[2]
Coordinates37°03′16″N 111°13′48″W / 37.0544297°N 111.2298630°W / 37.0544297; -111.2298630Coordinates: 37°03′16″N 111°13′48″W / 37.0544297°N 111.2298630°W / 37.0544297; -111.2298630[3]
Naming
EtymologyHerbert E. Gregory
Geography
Gregory Butte is located in Utah
Gregory Butte
Gregory Butte
Location in Utah
LocationGlen Canyon National Recreation Area
San Juan County, Utah, U.S.
Parent rangeColorado Plateau
Topo mapUSGS Gregory Butte
Geology
Age of rockJurassic
Type of rockEntrada Sandstone
Climbing
Easiest routeclass 5.x climbing[2]

Gregory Butte is a 4,651-foot (1,418 meter) elevation sandstone summit located in Glen Canyon National Recreation Area, in San Juan County of southern Utah.[3] It is situated 7.3 miles (11.7 km) northeast of Tower Butte, and 16 miles (26 km) northeast of the town of Page. This iconic landmark of the Lake Powell area towers nearly 1,000 feet above the lake. Before Lake Powell was formed in the 1970s, this butte was set within a meander of the Colorado River. Gregory Butte is a butte composed of Entrada Sandstone.[4] This sandstone, which was originally deposited as sandy mud on a tidal flat, is believed to have formed about 160 million years ago during the Jurassic period as a giant sand sea, the largest in Earth's history. This geographical feature's name was officially adopted in 1977 by the U.S. Board on Geographic Names.[3] According to the Köppen climate classification system, Gregory Butte is located in an arid climate zone with hot, very dry summers, and chilly winters with very little snow.[5] Geologist Herbert E. Gregory (1869–1952), mapped much of the bedrock geology of the Colorado Plateau, particularly in geologic monographs concentrating on what is now Navajo Nation land in northern Arizona and southern Utah where this butte is located.

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References[]

  1. ^ a b "Gregory Butte, Utah". Peakbagger.com. Retrieved 2020-11-11.
  2. ^ a b c "Gregory Butte - 4,651' UT". listsofjohn.com. Retrieved 2020-11-11.
  3. ^ a b c "Gregory Butte". Geographic Names Information System. United States Geological Survey. Retrieved 2020-11-11.
  4. ^ T.C. Chidsey, Jr., D.A. Sprinkel, G.C. Willis, P.B. Anderson Lake Powell Geologic Guide, page 60
  5. ^ Peel, M. C.; Finlayson, B. L.; McMahon, T. A. (2007). "Updated world map of the Köppen−Geiger climate classification". Hydrol. Earth Syst. Sci. 11. ISSN 1027-5606.

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