Usage:
Terlingua Clay (TX*)
Terlingua Group (TX)
Subunits:
GROUP STATUS (alphabetical) --all in TX: Boquillas Formation, Pen Formation.
Geologic age:
Late Cretaceous (Cenomanian to Santonian)*
Type section, locality, area and/or origin of name:
Not designated. Named from Terlingua Creek, southwest Brewster Co., TX, where beds are well exposed (Udden, 1907).
AAPG geologic province:
Permian basin*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).