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National Geologic Map Database

Geologic Unit: Gallagher Peak

Usage:

Gallagher Peak Sandstone Member of Snaky Canyon Formation (ID*)


Geologic age:

Late Pennsylvanian (Missourian)*


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

Type section (=type section of Juniper Gulch Member); incomplete, beds overturned: about halfway between Snaky Canyon and Juniper Gulch, in sec. 21, T. 9 N., R. 32 E., [in vicinity of Lat. 44 deg. 05 min. 26 sec. N., Long. 112 deg. 42 min. 22 sec. W.], Snaky Canyon 7.5-min quadrangle, [Targhee National Forest], Clark Co., ID. Named from exposures on Gallagher Peak, in secs. 29 and 30 (unsurveyed), T. 10 N., R. 31 E., [Lat. 44 deg. 10 min. 02 sec. N., Long. 112 deg. 47 min. 22 sec. W.], Cooper Mountain 7.5-min quadrangle, [Targhee National Forest], Clark Co., ID (Skipp and others, 1979).


AAPG geologic province:

Idaho Mountains 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 ([ ]).