Usage:
Blind Bull Formation (WY*)
Geologic age:
Late Cretaceous*
Type section, locality, area and/or origin of name:
Type section: in SW/4 sec. 18, T. 35 N., R. 115 W., through S/2 sec. 24 to S/2 sec. 23, T. 35 N., R. 116 W., Afton quadrangle, Lincoln Co., WY (Rubey, 1973).
AAPG geologic province:
Green River 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 ([ ]).