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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

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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

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References

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  1. ^ Gehrels, George; Giesler, Dominique; Olsen, Paul; Kent, Dennis; Marsh, Adam; Parker, William; Rasmussen, Cornelia; Mundil, Roland; Irmis, Randall; Geissman, John; Lepre, Christopher (2020-09-23). "LA-ICPMS U–Pb geochronology of detrital zircon grains from the Coconino, Moenkopi, and Chinle formations in the Petrified Forest National Park (Arizona)". Geochronology. 2 (2): 257–282. doi:10.5194/gchron-2-257-2020.
  2. ^ "Lucas, S.: Restoration of late triassic landscapes at the petrified forest national park, Arizona". Archived from the original on March 24, 2016. Retrieved February 26, 2020.{{cite web}}: CS1 maint: bot: original URL status unknown (link)

Literature

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  • 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.