Naturita Formation
| Naturita Formation | |
|---|---|
| Stratigraphic range: Cenomanian ~ | |
Type locality for the Naturita Formation above the former Nucla coal power plant, Naturita, Colorado | |
| Type | Geological formation |
| Sub-units | Culver Coal Zone member |
| Underlies | Mancos Shale |
| Overlies | Cedar Mountain & Burro Canyon Formations |
| Lithology | |
| Primary | Mudstone |
| Other | Shale, sandstone |
| Location | |
| Coordinates | 37°36′N 112°54′W / 37.6°N 112.9°W |
| Approximate paleocoordinates | 39°24′N 75°30′W / 39.4°N 75.5°W |
| Region | Colorado, Utah |
| Country | United States |
| Type section | |
| Named for | Naturita, Colorado |
The Naturita Formation is a classification used in western Colorado and eastern Utah for a Cretaceous Period sedimentary geologic formation. This name was "applied to the upper or carbonaceous part of Dakota Group" by R.G. Young in 1960, naming it for Naturita, Colorado. The name is not used by U.S. Geological Survey authors, but has found growing acceptance by the Utah Geological Survey