Usage:
Loves Park Member of Dunleith Formation of Galena Group (IL)
Subunits:
(alphabetical) --all in IL: Calmar Bentonite Bed, Conover Bentonite Bed, Haldane Bentonite Bed, Nasset Bentonite Bed.
Geologic age:
Late Ordovician (Mohawkian; Chatfieldian)*
Type section, locality, area and/or origin of name:
Type section: Harlem southeast section, quarry 1.6 km southeast of Harlem, in center SE/4 sec. 33, T. 45 N., R. 2 E., [approx. Lat. 42 deg. 19 min. 54 sec. N., Long. 89 deg. 00 min. 18 sec. W., Rockford North 7.5-min quadrangle], Winnebago Co., northern IL (Willman and Kolata, 1978).
Named from town of Loves Park, [Rockford North 7.5-min quadrangle], Winnebago Co., northern IL, 1.6 km southwest of type section (Willman and Kolata, 1978).
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 ([ ]).