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National Geologic Map Database

Geologic Unit: Little Willow

Usage:

Little Willow Formation (UT*)


Geologic age:

Early Proterozoic*


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

Not designated. Origin of name not stated by authors, but probably named from exposures in Little Willow Creek, just north of Little Cottonwood Canyon, Salt Lake Co., UT (Granger and others, 1952).


AAPG geologic province:

Southern 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 ([ ]).