Usage:
Lawrence Formation of Douglas Group (KS*,NE*,MO)
Lawrence Shale of Douglas Group (IA*,KS*,MO*,OK*)
Lawrence Shale of Vamoosa Group (OK*)
Subunits:
(alphabetical): Amazonia Limestone Member (KS*,MO*,OK*), Bowring Limestone Member (OK), Haskell Limestone Member (KS*), Ireland Sandstone Member (KS*), Jonesburg Sandstone Member (KS*), Kiheki Sandstone Member (OK*), Labadie Limestone Member (OK), Robbins Shale Member (KS*,NE*).
Geologic age:
Late Pennsylvanian (Virgilian)*
Type section, locality, area and/or origin of name:
Named from exposures at Lawrence, Douglas Co., eastern KS (US geologic names lexicon, USGS Bull. 896).
AAPG geologic province:
Cherokee basin*
Forest City basin*
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 ([ ]).