Usage:
Huelster Formation (TX-local)
Huelster Formation of McCutcheon Group (TX-local)
Recognized in southwestern TX, notably Davis Mountains area.
Subunits:
(alphabetical) --all in TX: Hunsaker Member, Jeff Conglomerate Member, Reynolds Member.
Geologic age:
Tertiary
Eocene or Oligocene
Type section, locality, area and/or origin of name:
Near head of deep ravine about 1.5 mi south of ruins of Huelster ranch house in northwestern part of Barrilla Mountains, Reeves Co., southwestern TX (Eifler, 1951).
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 ([ ]).