Usage:
Howard Limestone of Wabaunsee Group (IA,KS*,MO*,NE)
Howard Formation of Wabaunsee Group (MO*,NE)
Howard Limestone of /Sacfox subgroup [informal] of Wabaunsee Group (KS)
Howard Formation of /Sacfox subgroup [informal] of Wabaunsee Group (MO)
["Subgroup" not recognized as a formal stratigraphic rank term (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). Sacfox subgroup considered informal and should not be capitalized.]
Subunits:
(alphabetical) Aarde Shale Member, Bachelor Creek Member or Bachelor Creek Limestone Member, Church Member or Church Limestone Member, Shanghai Creek Shale Member, Utopia Member or Utopia Limestone Member, Wauneta Limestone Member, Winzeler Shale Member.
Geologic age:
Late Pennsylvanian (Virgilian)*
Type section, locality, area and/or origin of name:
Near Howard, Elk Co., KS. It is typically exposed in NE/4 sec. 7, T. 29 S., R. 11 E., [Severy South 7.5-min quadrangle, Elk Co., KS] (Moore, 1932, 1936).
AAPG geologic province:
Nemaha anticline*
Cherokee basin*
Forest City basin*
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 ([ ]).