Aztec Sandstone
The Aztec Sandstone is an Early Jurassic geological formation of primarily eolian sand from which fossil pterosaur tracks have been recovered. The formation is exposed in the Mojave Desert of Arizona, California and Nevada. Aztec Sandstone is named after the Aztec Tank, a lake in the Spring Mountain region of Nevada.
| Aztec Sandstone | |
|---|---|
| Stratigraphic range: Early Jurassic | |
Outcrop of the Aztec Sandstone at Red Rock Canyon National Conservation Area near Las Vegas, Nevada | |
| Type | Sedimentary |
| Underlies | Willow Tank Formation |
| Overlies | Chinle Formation |
| Area | Nevada, Arizona, California |
| Thickness | 2,100 ft (640 m) in Goodsprings quadrangle 2,500 ft (760 m) in Muddy Mountain area |
| Lithology | |
| Primary | sandstone |
| Other | arenite, sand |
| Location | |
| Coordinates | 35.4°N 115.5°W |
| Approximate paleocoordinates | 20.8°N 53.4°W |
| Region | Mojave Desert |
| Country | United States |
| Type section | |
| Named by | D. F. Hewett |
| Year defined | 1931 |
Aztec Sandstone (the United States) Aztec Sandstone (California) | |
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