Usage:
Osiris Tuff (UT*)
Geologic age:
Tertiary*
Miocene, early*
Miocene, middle*
Type section, locality, area and/or origin of name:
Type section: near abandoned town of Osiris in southeastern High Plateau, east of UT Highway 22, in SW/4 NW/4 sec. 2, T. 32 S., R. 2 W., Garfield Co., UT (Anderson and Rowley, 1975).
AAPG geologic province:
Paradox basin*
Wasatch uplift*
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 ([ ]).