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National Geologic Map Database

Geologic Unit: Wonewoc

Usage:

Wonewoc Formation of Elk Mound Group (WI)
Wonewoc Formation (IA)


Subunits:

(ascending) Galesville and Ironton Members


Geologic age:

Late Cambrian (Dresbachian to Franconian)


Type section, locality, area and/or origin of name:

Type section (composite): taken from bluffs in and around village of Wonewoc, located in secs. 26 and 35, T. 14 N., R. 2 E., Juneau Co., WI. Reference exposures in quarry at north city limit (Ostrom, 1966).


AAPG geologic province:

Wisconsin arch
Iowa shelf


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 ([ ]).