Usage:
Wind Rock Tongue of Mancos Shale (AZ*)
Geologic age:
Late Cretaceous (Coniacian)*
Type section, locality, area and/or origin of name:
Type section: Lat. 36 deg. 21 min 30 sec. N., Long. 109 deg. 49 min. 36 sec. W. Named from exposures along eastern cliff face of Black Mesa, at head of Wind Rock valley, Apache Co., AZ (Franczyk, 1988).
AAPG geologic province:
Black Mesa 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 ([ ]).