Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Colorado Group  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Colorado Group | |
| RT | New Mexico |
| Idaho | |
| Montana | |
| Iowa | |
| Colorado | |
| Nebraska | |
| North Dakota | |
| Kansas | |
| Belle Fourche Shale | |
| Cody Shale | |
| Graneros Shale | |
| Benton Formation | |
| Carlile Shale | |
| Greenhorn Limestone | |
| Blackleaf Formation | |
| Frontier Formation | |
| Mowry Shale | |
| Newcastle Sandstone | |
| Niobrara Formation | |
| SN | Includes Thermopolis Shale, Mowry Shale, Warm Creek Shale, Graneros Shale, Greenhorn Limestone, Carlile Shale, Niobrara Formation, Belle Fourche Shale, Marias River Formation, Skull Creek Shale, Fall River Sandstone, Newcastle Sandstone, and Telegraph Sha |