Usage:
Mooringsport Formation (AL)
Mooringsport Formation of Trinity Group (AR*,LA*,MS*,TX*)
Mooringsport Member of Rusk Formation of Trinity Group (LA,TX)
Geologic age:
Early Cretaceous (Comanchean Provincial Epoch)*
Type section, locality, area and/or origin of name:
Type section (subsurface) not designated.
Reference section (subsurface): Union Producing Company Noel Estate No. 1-A well, Mooringsport field, in sec. 11, T. 19 N., R. 16 W., Caddo Parish, LA (Imlay, 1940).
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 ([ ]).