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National Geologic Map Database

Geologic Unit: Whalen

Usage:

/Whalen Group (WY*)

[A "group" consists of 2 or more formations (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005).]


Subunits:

Informal subunits (ascending): "formation of Muskrat Canyon," "metabasalt of Mother Featherlegs," "schist of Silver Springs," and "formation of Wildcat Hills."


Geologic age:

Late Archean or Early Proterozoic*


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

Named from exposures in walls of Whalen Canyon, Goshen Co., WY (Smith, 1903).


AAPG geologic province:

Northern Rocky Mountain region*


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 ([ ]).