Usage:
Prairie Formation (AL?,AR?,FL?,LA*,MS*,TX?)
Prairie Allogroup (LA)
Geologic age:
Quaternary (Pleistocene)*
Type section, locality, area and/or origin of name:
Named from Prairie Terrace typically developed near Aloha, in sec. 16, T. 7 N., R. 4 W., Grant Parish, and at Nebo School, in sec. 40, T. 7 N., R. 3 E., La Salle Parish, LA (Fisk, 1938).
[Principal reference section] (subsurface): Bayou Choupique No. 6 drillhole, in SE/4 sec. 14, T. 11 S., R. 10 W., Calcasieu Parish, southwestern LA (Otvos, 1991).
AAPG geologic province:
Arkla basin*
Gulf Coast basin
Mid-Gulf Coast 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 ([ ]).