SEDIS - Thesaurus
Roca Formation  | |
|---|---|
| RT | Danian |
| Wolfcampian | |
| Oklahoma | |
| Nebraska | |
| Kansas | |
| Argentina | |
| K-T boundary | |
| Council Grove Group | |
| Maestrichtian | |
| SN | K-T age (Maestrichtian-Danian) or Paleocene of Argentina. Also a Wolfcampian member of the Council Grove Group in NE Kansas, SE Nebraska, and N Oklahoma. Indexed with age or ages as applicable. |
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