Usage:
Buck Hill Group (TX)
Subunits:
(alphabetical) --all in TX: Cottonwood Spring Basalt, Crossen Trachyte, Devil's Graveyard Formation, Duff Formation or Duff Tuff, Mitchell Mesa Rhyolite or Mitchell Mesa Welded Tuff, Potato Hill Andesite, Pruett Formation, Rawls Basalt, Sheep Canyon Basalt, Tascotal Formation.
Geologic age:
early Tertiary (Eocene to Oligocene)
Type section, locality, area and/or origin of name:
Not synopsized to date.
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 ([ ]).