U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Zeandale

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). 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 usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).