USGS Visual Identifier
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Geologic Unit: Quartermaster

Quartermaster Formation (KS*,NM*,OK*,TX*)
Quartermaster Formation of [†]Ochoa Group (NM,TX)
[†?] Quartermaster Group (KS)
[†Ochoa has been used as a provincial chronostratigraphic term (Ochoan Series) for some time. To prevent confusion, the use of Ochoa as a lithostratigraphic term should be avoided. Not used by USGS.
Uncertain if Quartermaster Group abandoned by the KS Geol. Survey. Not used by the USGS.]

Permian, Early*
Permian, Late*
Geologic Province:
Anadarko basin*
Palo Duro basin*
Permian basin

Areal Extent:

Type Locality:
Not designated. Named from exposures along banks of Quartermaster Creek, Roger Mills Co., OK (Gould, 1902).

FORMATION STATUS (alphabetical): Alibates Dolomite Lentil (NM*,TX*), Bessie Member (OK), Doxey Member (OK*), Elk City Member (OK*) or Elk City Sandstone Member (OK), Saddlehorse Gypsum Lentil (TX*).

Unit Name History:
Named Quartermaster division (Gould, 1902).
Saddlehorse gypsum and Alibates dolomite lentils named (Gould, 1907).
Overview (Snider, 1913).
Revised (Gould, 1924).
Lower contact revised (Sawyer, 1924).
Overview; Revised (Lloyd and Thompson, 1929).
†Day Creek Dolomite of Cragin is same as Weatherford Dolomite, Greenfield Dolomite, and Quartermaster Dolomite in southwestern OK (R.W. Sawyer, 1929, Oklahoma Geol. Survey Bull., no. 40HH) [From US geologic names lexicon, USGS Bull. 896, p. 1753; not synopsized].
Lower contact revised (Clifton, 1930).
Revised (Evans, 1931; Buckstaff, 1931; Green, 1936).
Overview (Roth, 1937).
Revised to Quartermaster Group (Green, 1937).
Overview (Wilmarth, 1938).
Biostratigraphic dating (Roth and others, 1941).
Use of Quartermaster Group in KS (Moore and others, 1944).
Oklahoma Geol. Survey usage (Miser and others, 1954).
Overview (Barnes, 1967).
Areal limits (Barnes, 1974).
Overview (Barnes, 1983).

Note: If you need more information, please contact Nancy Stamm (
Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().

Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).

U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
Database project personnel
Last modified: 15-Jan-2013