Navajo Sandstone

Navajo Sandstone
Stratigraphic range: Hettangian-Sinemurian
~200–195 Ma
A prominent cuesta of Navajo Sandstone rims the edge of the San Rafael Swell in eastern Utah
TypeGeological formation
Unit ofGlen Canyon Group
UnderliesCarmel Formation and Page and Temple Cap sandstones, separated by J-1 and J-2 unconformities
OverliesKayenta Formation with conformable and interfingering contact
ThicknessUp to 2,300 ft (700 m)
Lithology
PrimaryEolian sandstone
OtherLacustrine limestone and dolomite
Location
Coordinates36°42′N 110°48′W / 36.7°N 110.8°W / 36.7; -110.8
Approximate paleocoordinates23°54′N 48°30′W / 23.9°N 48.5°W / 23.9; -48.5
RegionArizona, Colorado, Nevada, Utah
CountryUnited States of America
Extent102,300 sq mi (264,955.8 km2) - original extent of the Navajo Sand Sea may have been 2.5 times larger than this remaining outcrop
Type section
Named forNavajo County
Named byGregory and Stone[1]
Year defined1917
Navajo Sandstone is located in the United States
Navajo Sandstone
Navajo Sandstone (the United States)
Navajo Sandstone is located in Arizona
Navajo Sandstone
Navajo Sandstone (Arizona)

The Navajo Sandstone is a geological formation in the Glen Canyon Group that is spread across the U.S. states of southern Nevada, northern Arizona, northwest Colorado, and Utah as part of the Colorado Plateau province of the United States.[2]

  1. ^ Gregory, HE (1917), Geology of the Navajo country; a reconnaissance of parts of Arizona, New Mexico, and Utah (PDF), doi:10.3133/PP93, Wikidata Q61049764
  2. ^ Anonymous (2011b) Navajo Sandstone Archived 2006-09-23 at the Wayback Machine, Stratigraphy of the Parks of the Colorado Plateau Archived 2010-12-24 at the Wayback Machine. U.S. Geological Survey, Reston, Virginia. last accessed August 18, 2013