Usage:
Pryor Formation of Fredericksburg Group (TX-subsurface)
Pryor Member of Georgetown Formation of Atascosa Group (TX-subsurface)
Geologic age:
Early Cretaceous
Type section, locality, area and/or origin of name:
Type section (subsurface): depth-interval 2,720 to 3,022 ft (well depth), T.P. Cannon No. 1 A. Finley well, northwestern Zavala Co., southern TX (Winter, 1961; 1962).
AAPG geologic province:
Gulf Coast 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 ([ ]).