Usage:
Broken Rib Member of Dyer Formation (CO)
Geologic age:
late Late Devonian (Famennian)
Type section, locality, area and/or origin of name:
Type area: on east side of Grizzly Creek, 1.5 mi south of its confluence with Broken Rib Creek, Garfield Co., CO. Origin of name not stated by author, but probably named from Broken Rib Creek (Campbell, 1970).
AAPG geologic province:
Eagle basin
Green River basin
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 ([ ]).