U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Westwater Canyon

Usage:

Westwater Canyon Sandstone Member of Morrison Formation (UT*)
Westwater Canyon Member of Morrison Formation (AZ*,CO*,NM*,UT*)


Geologic age:

Late Jurassic*


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

Not designated. Named from West Water Canyon [West Water Creek on map], in T. 37 and 36 S., R. 22 E., San Juan Co., UT (Gregory, 1938).


AAPG geologic province:

Paradox basin*
San Juan basin*


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 ([ ]).