| Blue Mesa Member | |
|---|---|
| Stratigraphic range: Late Triassic, early Norian 223–218 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
 The Tepees, Petrified Forest National Park | |
| Type | member |
| Unit of | Chinle Formation |
| Lithology | |
| Primary | mudstone, sandstone |
| Location | |
| Region | Colorado 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.
Geology
The colorful bands of mudstone and sandstone were laid down during the Triassic, when the area was part of a huge tropical floodplain.
See also
Gallery
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The Tepees
-
The Tepees
References
- 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.
- "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.
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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.