Usage:
Nippewalla Group (KS*,NE*, and CO*-subsurface)
Subunits:
(alphabetical): Blaine Formation (KS*) or Blaine Gypsum (KS*), Cedar Hills Sandstone (KS*), Dog Creek Formation (KS) or Dog Creek Shale (CO*,KS*), Flower-pot Shale (KS*), Harper Sandstone (KS*) or Harper Siltstone (KS*), Salt Plains Formation (KS*) or Salt Plains Siltstone (KS).
Geologic age:
early Permian (Leonardian)*
Type section, locality, area and/or origin of name:
Named from town of Nippewalla, in T. 33 N., R. 11 and 12 W., Barber Co., southern KS (Norton, 1939).
AAPG geologic province:
Anadarko basin*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).