Usage:
No current usage.
(†Butterfield Peaks limestone member [informal] of †White Pine Formation (UT-recognized locally in Bingham district) considered invalid and abandoned. Rocks included in Butterfield Peaks Formation of Oquirrh Group. See Butterfield Peaks.)
Geologic age:
Middle Pennsylvanian
Type section, locality, area and/or origin of name:
Type section (of White Pine Formation): in sec. 22, T. 4 S., R. 3 W., Salt Lake Co., UT. Crops out on slopes of Butterfield Peaks and is well exposed around Long Ridge anticline in southern Oquirrh Mountains and in North Oquirrh thrust block in northern Oquirrh Mountains, Salt Lake Co. and adjoining Tooele Co., UT. Origin of name not stated by authors, but probably named from Butterfield Peaks, UT (Welsh and James, 1961).
AAPG geologic province:
Wasatch uplift
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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).