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National Geologic Map Database

Geologic Unit: Pecan Gap

Usage:

Pecan Gap Chalk of Taylor Group (TX*)
Pecan Gap Formation of Taylor Group (TX)


Subunits:

(alphabetical) --all in TX: Farmersville Member, Lavon Member, Rockwall Member.


Geologic age:

Late Cretaceous (Campanian)*


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

Not synopsized to date.


AAPG geologic province:

East Texas basin*
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 ([ ]).