Usage:
Zeandale Limestone of Wabaunsee Group (IA*,KS*,MO*)
Zeandale Formation of Wabaunsee Group (IA*,NE)
Zeandale Limestone of /Richardson subgroup [informal] of Wabaunsee Group (KS)
Zeandale Formation of /Richardson subgroup [informal] of Wabaunsee Group (MO)
["Subgroup" not recognized as a formal stratigraphic rank term (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). Richardson subgroup considered informal and should not be capitalized.]
Subunits:
(alphabetical): Maple Hill Member (KS) or Maple Hill Limestone Member (MO), Tarkio Member (IA*,KS*,MO*) or Tarkio Limestone Member (MO), Wamego Shale Member (MO,KS*).
Geologic age:
Late Pennsylvanian (Virgilian)*
Type section, locality, area and/or origin of name:
Type section: exposure along north-south farm access road south of Deep Creek, about 1 mi (1.6 km) east and 0.25 mi (0.4 km) south of Zeandale, in SE/4 NE/4 NE/4 sec. 28, T. 10 S., R. 9 E., Riley Co., northeastern KS. Named from town of Zeandale on south side of Kansas River, Riley Co., northeastern KS (Moore and Mudge, 1956).
AAPG geologic province:
Nemaha anticline*
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 ([ ]).