Earth:Blue Mesa Member

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Blue Mesa Member
Stratigraphic range: Late Triassic, early Norian 223–218 Ma
The Tepees, Petrified Forest National Park
Typemember
Unit ofChinle Formation
Lithology
Primarymudstone, sandstone
Location
RegionColorado Plateau
Extent Arizona
 Utah

The Blue Mesa Member is a member of the Chinle Formation. It is located in the Petrified Forest National Park of northeast Arizona.[1]

Geology

The colorful bands of mudstone and sandstone were laid down during the Triassic, when the area was part of a huge tropical floodplain.[2]

See also

References

Literature

  • Blakey, and Ranney, 2008. Ancient Landscapes of the Colorado Plateau, Ron Blakey, Wayne Ranney, c 2008, Grand Canyon Association (publisher), 176 pages, with Appendix, Glossary, Index. Contains approximately 75 shaded topographic maps, for geology, etc., with 54 (23 pairs, (46)) for Colorado Plateau specifically; others are global, or North American.
  • Utah DeLorme Atlas & Gazetteer, 7th Edition, c. 2010, 64 pages, pp. 24, 32.