Usage:
Rock Lake Shale Member of Stanton Limestone of Lansing Group (IA*,KS*,MO*,NE*)
Rock Lake Shale of Lansing Group (MO)
Geologic age:
Late Pennsylvanian (Missourian)*
Type section, locality, area and/or origin of name:
Named from exposure at Rock Lake, in sec. 3, T. 12 N., R. 10 E., Sarpy Co., NE (Condra, 1927).
AAPG geologic province:
Nemaha anticline*
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 ([ ]).