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O'Neill Butte is a 6,071-foot (1,850 m)-elevation summit located in the Grand Canyon, in Coconino County of northern Arizona, United States.[3] It is situated 2.5 miles (4.0 km) east-northeast of Grand Canyon Village, one mile (1.6 km) northeast of Mather Point, and one mile immediately northwest of Yaki Point. Cedar Ridge connects O'Neill Butte with Yaki Point on the South Rim. Topographic relief is significant as O'Neill Butte rises 3,600 feet (1,100 m) above the Colorado River in two miles (3.2 km). Access to this prominence is via the South Kaibab Trail which traverses the east slope of the peak. According to the Köppen climate classification system, O'Neill Butte is located in a cold semi-arid climate zone.[4]

O'Neill Butte
South aspect, from Cedar Ridge
Highest point
Elevation6,071 ft (1,850 m)[1]
Prominence311 ft (95 m)[1]
Parent peakZoroaster Temple (7,123 ft)[2]
Isolation4.17 mi (6.71 km)[2]
Coordinates36°04′14″N 112°05′26″W[3]
Geography
O'Neill Butte
Location in Arizona
O'Neill Butte
O'Neill Butte (the United States)
LocationGrand Canyon National Park
Coconino County, Arizona, US
Parent rangeCoconino Plateau
Colorado Plateau
Topo mapUSGS Phantom Ranch
Geology
Type of rocklimestone, shale, sandstone
Climbing
Easiest routeclass 5.0 to 5.9 routes

History


This feature is named for William Owen "Buckey" O'Neill (1860–1898), an Arizona Territory politician, who died as a captain of Theodore Roosevelt's Rough Riders at the Battle of San Juan Hill.[5][6] O'Neill did some prospecting in the Grand Canyon in 1890, and also figured prominently in bringing the railroad to the canyon's South Rim.[7] This feature's name was officially adopted in 1906 by the U.S. Board on Geographic Names.[3]

Captain Buckey O'Neill
Captain Buckey O'Neill

Geology


The summit block of O'Neill Butte is composed of Permian Esplanade Sandstone, which is the uppermost member of the Pennsylvanian-Permian Supai Group.[8] The rest of the Supai Group overlays Mississippian Redwall Limestone.[9] The cliff-forming Redwall overlays the Cambrian Tonto Group, and below that Paleoproterozoic Vishnu Basement Rocks at river level in Granite Gorge.[10] Precipitation runoff from O'Neill Butte drains north to the Colorado River via Pipe Creek (west aspect) and Cremation Creek (east).




See also



References


  1. "O'Neill Butte, Arizona". Peakbagger.com. Retrieved 2021-01-17.
  2. "O'Neill Butte – 6,071' AZ". Lists of John. Retrieved 2021-01-17.
  3. "O'Neill Butte". Geographic Names Information System. United States Geological Survey. Retrieved 2021-01-17.
  4. 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.
  5. N.H. Darton, Story of the Grand Canyon of Arizona, 1917, p. 80.
  6. George Wharton James, The Grand Canyon of Arizona How to See It, 1910, Little Brown and Company, pp. 11, 62.
  7. Randy Moore and Kara Felicia Witt, The Grand Canyon: An Encyclopedia of Geography, History, and Culture, 2018, ABC-CLIO Publisher, pp. 279–280.
  8. Ron Adkinson, Hiking Grand Canyon National Park, Second Edition, 2006, Globe Pequot Press, ISBN 9780762753673, p. 123.
  9. N.H. Darton, Story of the Grand Canyon of Arizona, 1917, p. 12.
  10. William Kenneth Hamblin, Anatomy of the Grand Canyon: Panoramas of the Canyon's Geology, 2008, Grand Canyon Association Publisher, ISBN 9781934656013.


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