Usage:
Sage Valley Limestone Member of Goldens Ranch Formation (UT*)
Sage Valley Limestone Member of Copperopolis Latite (UT)
Geologic age:
early Tertiary (late Eocene to middle Oligocene)*
Type section, locality, area and/or origin of name:
Origin of name not stated by author. Notable exposures at southern tip of Long Ridge, about 7 mi southwest of Levan, Juab Co., central UT (Muessig, 1951).
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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).