From Wikipedia, the free encyclopedia
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-unitsBlue Springs Shale
Kinney Limestone
Wymore Shale
UnderliesFlinty Florence Limestone Member of the Barneston Formation
OverliesFlinty Wreford Limestone
Lithology
PrimaryShale and mudstone
OtherLimestone
Location
Region Kansas
Country United States
Type section
Named for Matfield Township, Chase County, Kansas
Named byProsser, C.S.
Year defined1902

The Matfield Shale is a geologic formation in Kansas from the Permian period. [1] [2] 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

  1. ^ "Geologic Unit: Matfield". National Geologic Database. Geolex — Significant Publications. United States Geological Survey. Retrieved 2024-05-25.
  2. ^ "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.