Joy Tuff (UT*)
Tertiary*
Eocene, late*
Oligocene, early*
In secs. 16, 17, and 22, T. 14 S., R. 11 W., Drum Mountains, Juab Co., UT. Named from exposures northwest of Joy townsite (Lindsey, 1979).
Reference section: in secs. 25 and 36, T. 13 S., R. 11 W. (Lindsey, 1979).
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 ([ ]).