Usage:
Petrolia Formation of Wichita Group (TX)
Geologic age:
early Permian (Wolfcampian and Leonardian)
Type section, locality, area and/or origin of name:
Stratotype: measured from base of prominent east-facing cuesta, along county road about 1.8 mi north-northwest of the intersection of Farm Roads 1180 and 2846 west of Kadane Corner, southwestern Wichita Co., TX (Hentz, 1988).
AAPG geologic province:
Bend arch
Palo Duro basin
Fort Worth syncline
South Oklahoma folded belt
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 ([ ]).