No current usage.
(Rocks of †Pinto Sandstone (UT) reallocated to Entrada Sandstone and Iron Springs Formation. See Entrada and Iron Springs.)
Jurassic and Cretaceous
Not designated (Leith and Harder, 1908).
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 ([ ]).