Earth:Fossil Mountain (Grand Canyon)

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Short description: Summit in Coconino County, Arizona
Fossil Mountain
(Grand Canyon)
File:00804 Grand Canyon Historic Havasupai Point from Grand Scenic Divide 1899 (6709534349).jpg
(Havasupai Point, adjacent to Fossil Mountain)
Highest point
Elevation6,729 ft (2,051 m) [1]
Prominence309 ft (94 m) [1]
Parent peakHavasupai Point (6,820 ft)[2]
Isolation0.61 mi (0.98 km) [2]
Coordinates [ ⚑ ] : 36°11′26″N 112°21′39″W / 36.1904265°N 112.3608256°W / 36.1904265; -112.3608256[3]
Geography
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LocationGrand Canyon National Park
Coconino County, Arizona, US
Parent rangeCoconino Plateau[1]
Colorado Plateau
Topo mapUSGS Explorers Monument
Geology
Mountain typesedimentary rock: limestone, sandstone, siltstone, mudstone, shale
Type of rockthe most common top 4 rock units in Grand Canyon-(relatively large thicknesses as in most of West Grand Canyon) and
Kaibab Limestone-(prominence cliff),
Toroweap Formation,
Coconino Sandstone-(massive basement-cliff),
Hermit Formation-(shale)

Fossil Mountain is a 6,729-foot-elevation summit located in the Western Grand Canyon, in Coconino County of northern Arizona, Southwestern United States. It is situated ~1.5 miles due east of Mount Huethawali, about 1.0 miles southeast of the Grand Scenic Divide, and 1.0 mi west of Havasupai Point.

The Fossil Mountain prominence is a massif-remainder cliff of Kaibab Limestone, and stands above a tableland of the South Rim, a forested plateau of Kaibab Limestone.

Geology

Photos of the Fossil Mountain prominence, a large cliff of Kaibab Limestone, can be seen at Summitpost.[4] The southwest slope of Fossil Mountain is a highly vegetated (trees), and high angle slope to the prominence.

Below the ~350 ft cliff of Kaibab Limestone is about ~250 ft of vegetated slope-forming Toroweap Formation. The Toroweap sits upon a ~500  cliff-formed, Coconino Sandstone, very vertical, and uneroded, (northeast face of Fossil Mountain, overlooking the canyon). The Coconino sits on large slopes of vegetated Hermit Formation.

References

External links