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National Geologic Map Database

Geologic Unit: Big Saline

Usage:

Big Saline Member of Marble Falls Limestone (TX)
Big Saline Formation of Bend Group (TX)
Big Saline Formation of Marble Falls Group (TX)
Big Saline Group (TX)


Subunits:

GROUP STATUS (alphabetical): De Leon Formation (TX), Sipe Springs Formation (TX).
FORMATION STATUS (alphabetical): Aylor Member (TX), Brister Limestone Member (TX), Brook Ranch Member (TX), Gibbons Conglomerate Member (TX), Lemons Bluff Member (TX), Soldiers Limestone Member (TX).


Geologic age:

Pennsylvanian


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

Type locality: near mouth of Big Saline Creek in eastern Kimble Co., north-central TX (Cheney, 1940).
Type section (subsurface): depth-interval 3,760 to 4,132 ft, Roxana Petroleum Company Seaman No. 1 test well, northwestern Palo Pinto Co., north-central TX (Cheney, 1940).


AAPG geologic province:

Permian basin
Llano uplift
Bend arch


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 ([ ]).