| Morrow Group | |
|---|---|
| Stratigraphic range: Pennsylvanian | |
| Type | Group |
| Sub-units | Bloyd Formation, Hale Formation |
| Underlies | Atoka Formation |
| Overlies | Pitkin Formation |
| Location | |
| Region | Arkansas |
| Country | United States |
| Type section | |
| Named for | Morrow, Washington County, Arkansas |
| Named by | George Irving Adams and Edward Oscar Ulrich [1] |
The Morrow Group was a geologic group in Arkansas that is now abandoned and replaced by the Bloyd Formation and the Hale Formation. It preserves fossils dating back to the Pennsylvanian period.
 | This article about a specific stratigraphic formation in Arkansas is a stub. You can help Wikipedia by expanding it. |
 | This article related to the Carboniferous period is a stub. You can help Wikipedia by expanding it. |
