Wallace Butte

Wallace Butte
Huxley Terrace & Wallace Butte
(foreground)
Highest point
Elevation5,209 ft (1,588 m)[1]
Prominence349 ft (106 m)[1]
Parent peakMount Huethawali
Isolation1.73 mi (2.78 km)[1]
Coordinates36°12′45″N 112°22′22″W / 36.21248°N 112.37268°W / 36.21248; -112.37268
Naming
EtymologyAlfred Russel Wallace[2]
Geography
Wallace.Butte is located in Arizona
Wallace.Butte
Wallace.Butte
Location within Arizona
Wallace.Butte is located in the United States
Wallace.Butte
Wallace.Butte
Location within the United States
LocationGrand Canyon National Park
Coconino County, Arizona, US
Parent rangeCoconino Plateau, Colorado Plateau
Topo mapUSGS Havasupai Point
Geology
Rock agePennsylvanian down to Cambrian
sedimentary rock:
sandstone, siltstone, mudstone, limestone, shale
Rock type(s)Manakacha Formation-(Supai unit 2: prominence-(upper unit)
Watahomigi Formation-(lower unit)
Supai Group-(units 2, 1)
Redwall Limestone,
Muav Limestone,
Bright Angel Shale

Wallace Butte is a 5,209-foot (1,588 m)-elevation summit located in western Grand Canyon, in Coconino County of northern Arizona, United States. It is located on the South Rim, about 1.0 mile northwest of the Grand Scenic Divide across Bass Canyon. Wallace Butte is 1.73 miles northeast of Mount Huethawali, and the butte lies about 3/4 mile south of the west-flowing Colorado River.

Geology

Huxley Terrace (elevation highpoint – 5630 ft) and the remnant, small, massif of Wallace Butte (5209 ft)

The large Huxley Terrace (photo), is composed of the Supai Group – 4 units. Notably, rock units 4 and 2 are cliff-formers, and the entire Supai Group sits on the cliff-former (and platform-former) of the Redwall Limestone.

For Wallace Butte, geologically it is a cliff and slope-former remainder – of Supai Group units 2 and 1 (Manakacha Formation, Watahomigi Formation). The cliffs of the Manakacha protect the slope-former below; (with the height of 349 ft, the landform is triangular, thin, and ~350 ft long, by ~150 ft wide); (See here:[3]) both units are on the top platform of the Redwall, the Redwall Limestone upper platform being a common rock unit throughout the Grand Canyon as landform points, (surrounding prominences), or as platforms supporting numerous rock units above, nearby examples being Geikie Peak and Whites Butte.

References

  1. ^ a b c "Wallace Butte – 5,209' AZ". Lists of John. Retrieved March 11, 2021.
  2. ^ "Wallace Butte". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved March 11, 2021.
  3. ^ Aerial view
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