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National Geologic Map Database

Geologic Unit: Du Noir

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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).