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| Dierks Limestone Stratigraphic range: Aptian ~120–112 Ma | |
|---|---|
| Type | Formation |
| Unit of | Trinity Group |
| Location | |
| Region | Arkansas |
| Country | |
| Type section | |
| Named for | Dierks, Howard County, Arkansas |
| Named by | Hugh Dismore Miser and Albert Homer Purdue[1] |
The Dierks Limestone is a geologic formation in Arkansas. It preserves fossils dating back to the Cretaceous period.