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National Geologic Map Database

Geologic Unit: Hogan

Usage:

Hogan Formation (UT)
Hogan Formation of Ely Group (NV)


Geologic age:

Middle Pennsylvanian (Desmoinesian)


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

Type section: in sec. 34, T. 34 N., R. 65 E., Elko Co., NV. Name Hogan taken from a railroad siding (Robinson, 1961).


AAPG geologic province:

Great Basin province


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 ([ ]).