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National Geologic Map Database

Geologic Unit: Broom Creek

Usage:

Broom Creek Member of Hartville Formation (NE,WY)
Broom Creek Member of Minnelusa Formation (SD)
Broom Creek Formation of Minnelusa Group (ND)


Geologic age:

Early Permian (Cisuralian; Wolfcampian)


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

Type locality: in Broom Creek Valley, in sec. 10, T. 28 N., R. 66 W., Platte Co., eastern WY (Condra and others, 1940).


AAPG geologic province:

Chadron arch
Denver 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 ([ ]).