Frontier Formation (locally may vary)
E2278987
UNEXPLORED
Frontier Formation (locally may vary) is a Cretaceous-age sedimentary rock unit of the Western Interior of North America, known for its alternating marine and nonmarine sandstones and shales that record shifting shorelines and are locally important hydrocarbon reservoirs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Frontier Formation (locally may vary) canonical | 1 |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.