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National Geologic Map Database

Geologic Unit: Hailey

Usage:

Hailey Member of Wood River Formation of Sun Valley Group (ID*)


Geologic age:

Middle Pennsylvanian (Desmoinesian)*


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

Type section: at west end of bridge over Big Wood River at Hailey, Blaine Co., south-central ID (Hall and others, 1974).
Principal type section: along ridge at Seamans Creek, in T. 3 N., R. 19 E., Blaine Co., ID (Mahoney and others, 1991).


AAPG geologic province:

Snake 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 ([ ]).