Blue Mesa Member
The Blue Mesa Member is a geologic formation of the Chinle Group. It is located in the Petrified Forest National Park of northeast Arizona.
| Blue Mesa Member Stratigraphic range: Early to Middle Permian, 225–220 Ma | |
|---|---|
 The Tepees, Petrified Forest National Park | |
| Type | Geological formation |
| Unit of | Chinle Formation |
| Lithology | |
| Primary | mudstone, sandstone |
| Location | |
| Region | Colorado Plateau |
| Extent |   |
Geology
The colorful bands of mudstone and sandstone were laid down during the Triassic, when the area was part of a huge tropical floodplain.[1]
See also
 |
Wikimedia Commons has media related to Blue Mesa region and The Tepees, PFNP. |
Gallery
The Tepees
The Tepees
Major Chinle Formation members
References
- Lucas, S.: Restoration of late triassic landscapes at the petrified forest national park, Arizona at the Wayback Machine (archived March 24, 2016)
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.
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