Usage:
No current usage.
(†Fisk Formation of Admiral Group (TX) replaced with Wildcat Creek and Overall members of Admiral Formation. See Wildcat Creek and Overall.)
Geologic age:
early Permian (Asselian and Sakmarian; Wolfcampian)
Type section, locality, area and/or origin of name:
Named from village of Fisk, about 12 mi southwest of Coleman, Coleman Co., central TX. Fisk is located on upper part of formation (Cheney, 1940).
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 ([ ]).