Usage:
Gilmer Limestone of Louark Group (subsurface of LA,TX)
Gilmer Limestone Member of Haynesville Formation (MS?-subsurface)
Geologic age:
Jurassic, Late
Type section, locality, area and/or origin of name:
Type section (subsurface): Arkansas-Louisiana Gas Company Indian Rock Gas Unit 2 well, Maria Finolia Flores Survey A-2, Upshur Co., TX (Forgotson and Forgotson, 1976).
AAPG geologic province:
East Texas 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 ([ ]).