Usage:
No current usage.
(†Maple Formation of Oquirrh Group (UT-recognized locally in Bingham district) considered abandoned. Lower part reallocated to Butterfield Peaks Formation of Oquirrh Group. See Butterfield Peaks.)
Geologic age:
Pennsylvanian, Early
Morrowan
Pennsylvanian, Middle
Atokan
Type section, locality, area and/or origin of name:
Type section: in secs. 22 and 27, T. 4 S., R. 3 W., Utah and Salt Lake Cos., UT. Section begins in Maple Flat and traverses north-northeast up spur opposite Maple Canyon, Bingham mining district. Origin of name not stated by authors, but probably named from Maple Flat (Welsh and James, 1961).
AAPG geologic province:
Wasatch uplift
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 ([ ]).