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Lyell Butte
 
Lyell Butte.jpg
Lyell Butte, south aspect
Highest point
Elevation 5,362 ft (1,634 m)
Prominence 502 ft (153 m)
Isolation 1.55 mi (2.49 km)
Parent peak Newton Butte (5,940 ft)
Naming
Etymology Charles Lyell
Geography
Location Grand Canyon National Park
Coconino County, Arizona, US
Parent range Coconino Plateau
Colorado Plateau
Topo map USGS Phantom Ranch
Type of rock sandstone, limestone, shale
Climbing
First ascent 1970
Easiest route class 4 climbing

Lyell Butte is a 5,362-foot (1,634 m) elevation summit located in the Grand Canyon, in Coconino County of northern Arizona, United States. It is situated six miles (9.7 km) east of Grand Canyon Village, immediately east of and below Shoshone Point, and 1.5 mile southeast of Newton Butte, which is the nearest higher neighbor. Topographic relief is significant as Lyell Butte rises 2,800 feet (850 m) above the Colorado River in 1.5 mile (2.4 km). Access is via the Tonto Trail which traverses the base of the peak. According to the Köppen climate classification system, Lyell Butte is located in a cold semi-arid climate zone, with precipitation runoff draining northeast to the Colorado River via Grapevine and Boulder Creeks.

History

Lyell Butte was named in 1906 after Sir Charles Lyell (1797–1875), eminent Scottish geologist best known as the author of Principles of Geology. This feature's name was officially adopted in 1906 by the U.S. Board on Geographic Names. The first ascent of Lyell Butte was made January 24, 1970, by Alan Doty via the northwest face/chimney.

Sir Charles Lyell, 1st Bt
Sir Charles Lyell

Geology

Lyell Butte is composed of Mississippian Redwall Limestone, with a dome of the basal layer of Pennsylvanian-Permian Supai Group on top which dips to the northeast. The cliff-forming Redwall overlays the Cambrian Tonto Group, and below that Paleoproterozoic Vishnu Basement Rocks at river level in Granite Gorge.

Grand Canyon Lightrays
Newton Butte centered, Lyell Butte to left. Newberry Butte to right on opposite side of Granite Gorge
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