Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Hilliard Shale  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Hilliard Shale | |
| RT | Utah |
| Wyoming | |
| Mesaverde Group | |
| Rock Springs Formation | |
| SN | NE Utah and SW Wyoming. Overlies Frontier Formation; underlies Adaville Formation, Blair Formation. Sometimes replaces Blair Formation and/or intertongues with overlying Rock Springs Formation or undifferentiated Mesaverde Group. Added to Thesaurus in 198 |