| Wreford Limestone | |
|---|---|
| Stratigraphic range: Permian | |
 The flinty Threemile Limestone Member of the Wreford Limestone Formation in Manhattan, Kansas. | |
| Type | Formation |
| Unit of | Chase Group |
| Sub-units | Schroyer Limestone Havensville Shale Threemile Limestone |
| Underlies | Matfield Shale |
| Overlies | Speiser Shale |
| Lithology | |
| Primary | Flinty limestone and shale |
| Location | |
| Location | Flint Hills, Kansas |
| Region | Kansas |
| Country |  United States |
| Type section | |
| Named for | Wreford, Kansas |
The Wreford Limestone is a geologic formation in Kansas. It preserves fossils dating back to the Permian period.[1]
The Schroyer Limestone and Threemile Limestone members of the Wreford Limestone formation are the lowest of the flint-bearing rock layers of the Flint Hills.[2]
- ^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
- ^ The Stratigraphic Succession in Kansas, 1968