Usage:
Pokegama Creek Member of Copper Falls Formation (WI)
Geologic age:
Quaternary (Pleistocene; Wisconsinan)
Type section, locality, area and/or origin of name:
Type section: Gravel pit, in NW/4 NE/4 SW/4 sec. 1, T. 34 N., R. 11 W., [approx. Lat. 45 deg. 27 min. 28 sec. N., Long. 91 deg. 40 min. 40 sec. W.], Rice Lake South 7.5-min quadrangle, Barron Co., northwestern WI (Attig and others, 1988; see Syverson and others, 2011).
Named from Pokegama Creek, whose headwaters are in Blue Hills [northeast of type section]; name credited to Mark D. Johnson, 1984, Univ. Wisconsin PhD dissert. (Attig and others, 1988; see Syverson and others, 2011).
Reference section: gravel pit, in SW/4 SE/4 SW/4 sec. 1, T. 35 N., R. 10 W., [approx. Lat. 45 deg. 32 min. 16 sec. N., Long. 91 deg. 33 min. 40 sec. W.], Mikana 7.5-min quadrangle, Barron Co., northwestern WI (Attig and others, 1988; see Syverson and others, 2011).
[Additional locality information from USGS historical topographic map collection TopoView, accessed on June 9, 2018.]
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 ([ ]).