| Hermosa Group | |
|---|---|
| Stratigraphic range: Carboniferous | |
|  Hermosa Formation near its type section, Hermosa, Colorado, US | |
| Type | Group | 
| Sub-units | Honaker Trail Formation Paradox Formation Pinkerton Trail Formation | 
| Underlies | Cutler Group | 
| Overlies | Molas Formation | 
| Lithology | |
| Primary | mudstone | 
| Other | shale, limestone | 
| Location | |
| Coordinates | 37°25′52″N 107°50′13″W / 37.431°N 107.837°W | 
| Region | Utah | 
| Country | United States | 
| Type section | |
| Named for | Hermosa Creek | 
| Named by | Cross and Spencer | 
| Year defined | 1899 | 

Hermosa Formation exposed in a roadcut near Rico, Colorado.
The Hermosa Group is a group of geologic formations in Utah and Colorado. It preserves fossils dating back to the Carboniferous period.
See also
References
- "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
    This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.