Usage:
Waugh Member of St. Louis Formation (IA)
Geologic age:
Middle Mississippian (Visean; Meramecian)
Type section, locality, area and/or origin of name:
Type area: within secs. 13 and 14, T. 74 N., R. 13 W., Keokuk Co., IA. Named from Waugh Branch, a tributary to the South Skunk River, southwestern Keokuk Co., IA (McKay and others, 1987).
Reference section: Showman Station quarry and railroad cut, Kessel property, Waugh Branch streamcut, Taylor quarry field trip stops described on p. 55-57, 59-61, 62-69, 72-73 (McKay and others, 1987).
AAPG geologic province:
Iowa shelf
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 ([ ]).