Usage:
Ibex Limestone [unranked] in Moran Formation of Cisco Group (TX)
Geologic age:
early Permian (Asselian and Sakmarian; Wolfcampian)
Type section, locality, area and/or origin of name:
Typical outcrops occur 500 ft east of northwest corner of Blind Asylum Survey No. 51, 0.5 mi southeast of Ibex townsite, and also just north and west of Ibex field along Hubbard Creek. Named from Ibex oil field in east-central Shackelford Co., in north-central TX (Cheney, 1948).
AAPG geologic province:
Bend arch
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 ([ ]).