Usage:
Horse Valley Formation (UT*)
Geologic age:
Tertiary*
Miocene*
Type section, locality, area and/or origin of name:
Type section: about 21 km southwest of Minersville, 10 km west of Horse Valley, in secs. 20 and 21, T. 31 S., R. 12 E., Iron Co., UT (Anderson and Rowley, 1975).
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 ([ ]).