Usage:
Shire Member of Wasatch Formation (CO*)
Geologic age:
Eocene*
Type section, locality, area and/or origin of name:
Along Shire Gulch, from which unit is named, NE/4 sec. 19, T. 9 S., R. 96 W., Mesa Co., CO (Donnell, 1969).
Reference section: SE/4 sec. 13, T. 9 S., R. 97 W., and S/2 sec. 18, T. 9 S., R. 96 W. (Donnell, 1969).
AAPG geologic province:
Piceance 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 ([ ]).