Usage:
Belfry Member of Fort Union Formation (MT)
Geologic age:
Tertiary
Paleocene, late
Tiffanian
Type section, locality, area and/or origin of name:
Type section: Cody Road section, located 2.5 km south of town of Belfry on State Highway 397, in sec. 27, T. 18 S. [T. 8 S.], R. 22 E., Carbon Co., MT (Yuretich and others, 1984).
AAPG geologic province:
Bighorn 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 ([ ]).