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National Geologic Map Database

Geologic Unit: Sage Junction

Usage:

Sage Junction Formation (ID*,WY*)


Geologic age:

Early Cretaceous*


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

Type section: at Sage Junction (U.S. Highways 30N and 89), in NW/4 SE/4 and S/2 NW/4 sec. 7, T. 21 N., R. 11 W., Lincoln Co., WY (Rubey, 1973).


AAPG geologic province:

Green River 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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).