Usage:
Buda Limestone of Washita Group (AR*,TX*, and LA-subsurface*)
Buda Formation of Sixshooter Group (TX)
Buda Limestone (NM*,Mexico)
Buda Formation (NM,Mexico)
Geologic age:
early Late Cretaceous (Cenomanian; Comanchean Provincial Epoch)*
Type section, locality, area and/or origin of name:
Named from Buda, [approx. 15 mi southwest of Austin, Buda 7.5-min quadrangle], Hays Co., southeastern TX (US geologic names lexicons, USGS Bull. 896, 1200).
Type locality stated to be on Shoal Creek at Austin, TX (Adkins, 1933).
[Reference section, 450+ mi west of Buda, TX, southwest of Van Horn, TX, <1 mi east of International border with Chihuahua, Mexico]: near Love Triangulation Station, Lat. 30 deg. 48 min. 35 sec. N., Long. 105 deg. 12 min. 16 sec. W., UTM Zone 13, 480,447 m E.; 3,408,346 m N., Eagle Mountains SW 7.5-min quadrangle [1972 ed.], Hudspeth Co., southwestern TX (Reaser and Robinson, 2002).
AAPG geologic province:
Arkla basin*
East Texas basin*
Fort Worth syncline*
Kerr basin*
Orogrande basin*
Ouachita folded belt*
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 ([ ]).