Usage:
Mikana Member of Copper Falls Formation (WI)
Geologic age:
Quaternary (Pleistocene; Wisconsinan)
Type section, locality, area and/or origin of name:
Type section: roadcut on west side of a north-south road, in NE/4 SE/4 SW/4 sec. 7, T. 36 N., R. 10 W., [approx. Lat. 45 deg. 36 min. 43 sec. N., Long. 91 deg. 39 min. 11 sec. W.], Rice Lake North 7.5-min quadrangle, Barron Co., northwestern WI (Attig and others, 1988).
Named from community of Mikana, at mouth of Red Cedar River, Mikana 7.5-min quadrangle, Barron Co., northwestern WI; name credited to Mark D. Johnson (Attig and others, 1988).
Reference section: roadcut on inside curve of County Trunk Highway W, in SW/4 NW/4 SW/4 sec. 15, T. 33 N., R. 9 W., [approx. Lat. 45 deg. 20 min. 21 sec. N., Long. 91 deg. 28 min. 42 sec. W.], Chain Lake 7.5-min quadrangle, Rusk Co., northwestern WI (Attig and others, 1988).
[Additional locality information from USGS historical topographic map collection TopoView and Wisconsin Highways, www.wisconsinhighways.org; 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 ([ ]).