| Road Canyon Formation | |
|---|---|
| Stratigraphic range: Kungurian-Roadian ~ | |
| Fossils from the Road Canyon Formation | |
| Type | Formation |
| Underlies | Word Formation |
| Lithology | |
| Primary | Limestone |
| Other | Shale, siltstone |
| Location | |
| Coordinates | 30°24′N103°18′W / 30.4°N 103.3°W |
| Approximate paleocoordinates | 1°24′N33°12′W / 1.4°N 33.2°W |
| Region | Texas |
| Country | United States |
| Extent | Glass Mountains |
| Type section | |
| Named for | Road Canyon |
| Named by | R.L. King |
| Year defined | 1931 |
The Road Canyon Formation is a geologic formation in Texas. [1] It preserves fossils dating back to the Permian period.
The formation is the defining unit for the Roadian stage of the Permian period.