| Matfield Formation Matfield Shale | |
|---|---|
| Stratigraphic range: Permian | |
 Matfield Shale (Massive limestone just above the pavement is the typical top bed of the older Wreford Formation ), Geary County, Kansas, 2023-24 fresh road cut, Highway K-177, 5 miles South of Interstate 70 | |
| Type | Formation |
| Unit of | Chase Group |
| Sub-units | Blue Springs Shale Kinney Limestone Wymore Shale |
| Underlies | Flinty Florence Limestone Member of the Barneston Formation |
| Overlies | Flinty Wreford Limestone |
| Lithology | |
| Primary | Shale and mudstone |
| Other | Limestone |
| Location | |
| Region | Kansas |
| Country | United States |
| Type section | |
| Named for | Matfield Township, Chase County, Kansas |
| Named by | Prosser, C.S. |
| Year defined | 1902 |
The Matfield Shale is a geologic formation in Kansas from the Permian period. The unit is recognizable in several road cuts in the Flint Hills, especially in the vicinity of the Kansas River, by 4 or 5 beds of red/maroon shale.
See also
References
- "Geologic Unit: Matfield". National Geologic Database. Geolex — Significant Publications. United States Geological Survey. Retrieved 2024-05-25.
- "Lithology and Paleontology of the Stratigraphic Units Cropping Out at the Tallgrass Prairie National Preserve, Chase County, Kansas". KGS Open-file Report (2008–15). Kansas Geological Survey. Retrieved 2024-05-25.
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