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National Geologic Map Database

Geologic Unit: Ector

Usage:

Ector Tongue of Austin Chalk (TX*)
Ector Chalk of Austin Group (LA,TX)


Geologic age:

Late Cretaceous (Gulfian Provincial Epoch)*


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

Named from Ector, Fannin Co., TX. Ector is a few hundred yards west of the belt of outcrop (Stephenson, 1918).


AAPG geologic province:

South Oklahoma folded belt*
Ouachita 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 ([ ]).