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National Geologic Map Database

Geologic Unit: Butterfield Peaks

Usage:

Butterfield Peaks Formation of Oquirrh Group (UT*)


Geologic age:

Middle Pennsylvanian (Desmoinesian)*


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

Type section: in secs. 6, 7, 18 through 21, T. 4 S., R. 3 W., and in sec. 12, T. 4 S., R. 4 W., Fairfield, Stockton, and Bingham Canyon quadrangles, Tooele Co., UT. Named from Butterfield Peaks (Tooker and Roberts, 1970).
Reference section (lower part): in secs. 26, 27, and 34, T. 4 S., R. 4 W., Stockton quadrangle, Tooele Co., UT (Tooker and Roberts, 1970).


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 ([ ]).