USGS Visual Identifier
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Geologic Unit: Claiborne

Usage:
Claiborne Formation (KY*,TN*,MO)
Claiborne Group (AL*,AR*,FL*,GA*,KY*,LA*,MO*,MS*,TN*,TX*)

Age:
Tertiary*
Eocene, early
Eocene, middle*







Geologic Province:
Mid-Gulf Coast basin*
South Georgia sedimentary province*
Gulf Coast basin*
Upper Mississippi embayment*
Florida platform*
Ouachita folded belt*
Arkla basin*
Black Warrior basin*


Areal Extent:
AL*
AR*
FL*
GA*
KY*
LA*
MS*
MO*
TN*
TX*

Type Locality:
Exposures at Claiborne Bluff and Claiborne Landing on the Alabama River, Monroe Co., southwest AL (Conrad, 1848).

Subunits:
GROUP STATUS (alphabetical): Avon Park Limestone (FL,GA), Bigford Formation (TX*), Cane River Formation (AR*,LA*), Carrizo Sand (AR*,LA*,TX*) or Carrizo Formation (TX), Cockfield Formation (TX,AL*,AR*,KY*,LA*,MO*, MS*,TN*), Cook Mountain Formation (AR*,KY*,LA*,MO*,MS*,MS*, TN*,MS*), Crockett Formation (LA,TX), El Pico Clay (TX*), Gosport Sand (AL*), Kosciusko Formation (MS) or Kosciusko Sand (MS*), Laredo Formation (TX*), Lisbon Formation (MS,AL*,FL*,GA*), Memphis Sand (AR*,MO*,TN*), Meridian Sand (AL,MS), Queen City Formation (LA,TX) or Queen City Sand (LA,TX*), Reklaw Formation (LA*,TX*), Sparta Sand (AR*,KY*,LA*,MS*,TX*) or Sparta Formation (LA,TX), Stone City Formation (TX),Tallahassee Limestone (FL), Tallahatta Formation (AL*,FL*,GA*, KY*,MS*), Weches Formation (LA,TX*), Winona Formation or Winona Marl or Winona Sand (MS*), Yegua Formation (LA,TX*), Zilpha Clay (MS*).

Unit Name History:
[Please note: Vaughan (1900), Branner (1908), Brantley (1920), Hastings and Toulmin (1963), Moore (1965), Swanson and Wilshire (1967), Parks (1968) references have yet to be added from the GNC index card files. Until then, feel free to contact us if you would like complete bibliographic citations.]
Claiborne sands first used (Conrad, 1847).
Rank raised to group; Overview (Hilgard, 1860).
Revised (Hilgard, 1867).
Revised (G.D. Harris, 1894, Amer. Jour. Sci, 3rd ser., v. 47, p. 301-304) [Not synopsized].
Revised (Vaughan, 1900).
Extended into AR (Branner, 1908).
Revised (Brantley, 1920).
Overview; Areal limits (Wilmarth, 1938).
Revised (Stenzel, 1938; Cooke, 1939).
Areal limits; Overview (Applin and Applin, 1944).
Revised (Tourtelot, 1944).
Overview (Toulmin, 1944; Rainwater, 1945; Belt, 1945).
Areal limits; Overview (MacNeil, 1947).
Overview (Vernon, 1951; Turner, 1952).
Areal limits (Holland and others, 1952).
Overview (Anderson and others, 1960).
Areal limits (Marsh, 1962).
Revised; Areal limits (Wolfe, 1963).
Age refined (Hastings and Toulmin, 1963).
Extended into TN (Moore, 1965).
Extended into KY (Swanson and Wilshire, 1967).
Overview of subdivisions; Revised (Eargle, 1968).
Age modified, TN (Parks, 1968).
Revised; Areal limits (Davis and others, 1973; Parks and Russell, 1975).
Age modified; Biostratigraphic dating; Isotopic dating (Gibson and Bybell, 1981).
Extended into MO (Frederiksen and others, 1982).
Overview; Age modified (Raymond and others, 1988).

Note: If you need more information, please contact Nancy Stamm (nstamm@usgs.gov).
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
URL http://ngmdb.usgs.gov/ngmdb/ngm_catalog.ora.html
Database project personnel
Last modified: 15-Jan-2013