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National Geologic Map Database

Geologic Unit: Liberty Grove

Usage:

Liberty Grove Member of Holy Hill Formation (WI)


Geologic age:

Quaternary
Pleistocene
Wisconsinan, late


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

Type section: roadcut on north side of Waters End Road, west of the intersection with Highway ZZ, 4.8 km northeast of Sister Bay, in SE/4 SE/4 NW/4 sec. 35, T. 32 N., R. 28 E., Sister Bay 15-min quadrangle, Door Co., WI. Named from Liberty Grove Twp. (Mickelson and others, 1984).


AAPG geologic province:

Wisconsin arch


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 ([ ]).