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National Geologic Map Database

Geologic Unit: Gannett

Usage:

Gannett Group (ID*,WY*)


Subunits:

(alphabetical): Bechler Conglomerate (ID*,WY), Bechler Formation (ID*,WY), Bechler Red Beds (ID*,WY*), or Bechler Shale (ID*,WY*), Draney Limestone (ID*,WY*), Ephraim Conglomerate (ID*,WY*), Peterson Limestone (ID*,WY*), Smoot Formation (ID,WY).


Geologic age:

Early Cretaceous*


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

Not designated. Named from Gannett Hills, Bannock Co., ID, and Lincoln Co., WY (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 ([ ]).