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National Geologic Map Database

Geologic Unit: Horicon

Usage:

Horicon Member of Holy Hill Formation (WI)


Geologic age:

Quaternary (Pleistocene; Wisconsinan)


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

Type section: roadcut on south side of Mapleview Road, 100 m west of its intersection with Maple Road, 1.9 mi (3 km) east of WI State Highways 45/47/52 just south of Antigo, in SE/4 SW/4 SW/4 sec. 34, T. 31 N., R. [11] E., [approx. Lat. 45 deg. 07 min. 04 sec. N., Long. 89 deg. 06 min. 52 sec. W.], Mattoon 7.5-min quadrangle, Langlade Co., eastern WI (Mickelson and others, 1984; Syverson and others, 2011).
Named from the city of Horicon, at southern edge of Horicon National Wildlife Refuge, Dodge Co.; name credited to David M. Mickelson (Mickelson and others, 1984).
Reference section (lower till): Ski Hill section, roadcut at entrance to County Ski Area from WI State Highway 52, in NW/4 NW/4 NW/4 sec. 8, T. 32 N., R. 13 E., [approx. Lat. 45 deg. 16 min. 33 sec. N., Long. 88 deg. 54 min. 08 sec. W.], Pickerel 7.5-min quadrangle, Langlade Co., eastern WI (Mickelson and others, 1984; Syverson and others, 2011).


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