Usage:
Boquillas Formation (NM,TX*)
Boquillas Formation of Terlingua Group (TX)
Subunits:
(alphabetical) --all in TX: Dry Tank Member, Ernst Member, Fizzle Flat Member, Langtry Member, Rock Pens Member*, San Vicente Member.
Geologic age:
Late Cretaceous (Cenomanian to Coniacian)*
Type section, locality, area and/or origin of name:
Named from Boquillas, on Tornillo Creek, Chisos Mountains quadrangle, Brewster Co., western TX (US geologic names lexicons, USGS Bull. 896, 1200).
AAPG geologic province:
Orogrande basin*
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 ([ ]).