Usage:
Du Noir Member of Gallatin Limestone (WY*)
Misspelled Dunoir and DuNoir in some reports.
Geologic age:
Late Cambrian (Dresbachian)*
Type section, locality, area and/or origin of name:
Type section: along Warm Springs Creek, 2 mi west of Du Noir, northwest Wind River Mountains, Fremont Co., WY (Miller, 1936).
AAPG geologic province:
Bighorn basin
Green River basin
Wind River basin*
Yellowstone province
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 ([ ]).