Usage:
Ada Formation (OK*)
Ada Group (OK)
Subunits:
GROUP STATUS (alphabetical) --all in OK: Aarde Shale, Auburn Shale, Bird Creek Limestone, Deer Creek Limestone, Happy Hollow Limestone, Lecompton Limestone, Little Hominy Limestone, Pawhuska Formation, Pearsonia Limestone, Plummer Limestone, Rulo Limestone, Severy Shale, Turkey Run Limestone, Wakarusa Limestone, Winzeler Formation.
Geologic age:
Late Pennsylvanian (Virgilian)*
Type section, locality, area and/or origin of name:
Named from development within and to west of town of Ada, Pontotoc Co., central southern OK (Morgan, 1924; US geologic names lexicons, USGS Bull. 896, 1200).
AAPG geologic province:
Arkoma basin*
Anadarko basin*
Chautauqua platform*
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 ([ ]).