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National Geologic Map Database

Geologic Unit: Coyote Creek

Usage:

Coyote Creek Member of Fall River Formation of Inyan Kara Group (MT,SD,WY)


Geologic age:

Early Cretaceous


Type section, locality, area and/or origin of name:

Type section (subsurface): Mobil Producing Company No. F-43-33-G well, in NE/4 SE/4 sec. 33, T. 49 N., R. 68 W., Crook Co., WY (Bolyard and McGregor, 1966).


AAPG geologic province:

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