Usage:
Provo Member of Little Cottonwood Formation of Lake Bonneville Group (UT*)
Provo Formation of Lake Bonneville Group (ID*,UT*)
Geologic age:
Quaternary*
Pleistocene*
Type section, locality, area and/or origin of name:
Well developed at base of Wasatch Mountains in form of terraces, deltas, spits, bars, beaches, and deeper water deposits. Well developed on western side of Lake Mountain.
Reference locality designated in part of the Cottonwood delta that is graded to the Provo shoreline and extends from Alta Airpark to a point about 0.5 mi north of Cottonwood Creek near south edge of Butterville, Salt Lake Co., UT (Morrison, 1965).
AAPG geologic province:
Great Basin 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 ([ ]).