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National Geologic Map Database

Geologic Unit: Tygee

Usage:

No current usage.
(Rocks of †Tygee Sandstone of Gannett Group (ID,WY), or †Tygee Member of Bear River Formation (ID,WY), reallocated to upper sandstone member of Smiths Formation. See Smiths.)


Geologic age:

late Early Cretaceous (Albian)


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

Named from Tygee Creek, east of which, in T. 8 S., R. 46 E., [Sage Valley and Auburn 7.5-min quadrangles, Caribou Co., southeastern ID], the formation is well exposed (Mansfield and Roundy, 1916).


AAPG geologic province:

Green River basin
Snake River basin
Wasatch uplift


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 ([ ]).