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National Geologic Map Database

Geologic Unit: Springer

Usage:

Springer Group (OK*)
Springer Formation of Noble Ranch Group (OK)


Subunits:

GROUP STATUS (alphabetical) --all in OK: Caney Shale*, Goddard Formation or Goddard Shale*, Lake Ardmore Sandstone*, Overbrook Sandstone*, Union Valley Formation.
FORMATION STATUS (alphabetical) --all in OK: Academy Church Shale Member, Lake Ardmore Sandstone Member, Overbrook Sandstone Member, Redoak Hollow Member*, Rod Club Sandstone Member.


Geologic age:

Middle Mississippian to Early Pennsylvanian (Visean to Bashkirian; Chesterian to Morrowan)*


Type section, locality, area and/or origin of name:

Type area: village of Springer, Carter Co., OK (Tomlinson, 1929).


AAPG geologic province:

South Oklahoma folded belt*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).