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National Geologic Map Database

Geologic Unit: Straight Cliffs

Usage:

Straight Cliffs Sandstone (UT*)
Straight Cliffs Formation (UT*)


Subunits:

(alphabetical): Drip Tank Member (UT*), John Henry Member (UT*), Smoky Hollow Member (UT*), Tibbet Canyon Member (UT*).


Geologic age:

Late Cretaceous (Turonian to Campanian)*


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

Named from Straight Cliffs in Escalante Valley, [Kane and Escalante Cos.], central southern UT (Gregory and Moore, 1931).


AAPG geologic province:

Paradox basin*
Plateau sedimentary 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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).