Usage:
Waubeek Member of Scotch Grove Formation (IL,IA)
Geologic age:
early Silurian (Wenlock)
Type section, locality, area and/or origin of name:
Exposures along the Wapsipinicon River 1 mi northeast of Waubeek, in SE/4 SW/4 NE/4 sec. 17, T. 85 N., R. 5 W., Linn Co., eastern IA (Bunker and others, 1985).
Reference section (subsurface): core near Walford, in SE/4 SW/4 SW/4 SW/4 sec. 5, T. 81 N., R. 8 W., Johnson Co., IA (Bunker and others, 1985).
AAPG geologic province:
Iowa shelf
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 ([ ]).