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National Geologic Map Database

Geologic Unit: Petrolia

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 usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).