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National Geologic Map Database

Geologic Unit: Sheeprock

Usage:

Sheeprock Group (UT)


Subunits:

(alphabetical) --all in UT: Auts [Otts] Canyon Formation, Dutch Peak Formation, Ekker Formation, Kelley Canyon Formation.


Geologic age:

Neoproterozoic


Type section, locality, area and/or origin of name:

Not designated. Origin of name not stated by author, but probably named from Sheeprock Canyon in T. 10 S., R. 6 W., Tooele Co., UT (Harris, 1958).
Type locality not designated (Cohenour, 1959).


AAPG geologic province:

Great Basin region


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 ([ ]).