Usage:
Redwall Limestone (AZ*,NM*,UT*)
Redwall Marble (CA*)
Subunits:
(alphabetical): Anchor Member (UT), Arrowhead Member (UT), ?Bullion Member (UT), Dawn Dolomite Member (UT), Horseshoe Mesa Member (AZ*,UT*), Mooney Falls Member (AZ*,UT*), Thunder Springs Member (AZ*,UT*), Whitmore Wash Member (AZ*,UT*), Yellowpine Member (UT).
Geologic age:
Mississippian, Early*
Kinderhookian*
Osagean*
Mississippian, Late*
Meramecian*
Type section, locality, area and/or origin of name:
Named from red appearance of its escarpment on either side of the Grand Canyon, northern AZ (Gilbert, 1875).
Type locality: Redwall Canyon, in Shinumo drainage basin, on north side of Grand Canyon, [Coconino County], northern AZ (Darton, 1910).
AAPG geologic province:
Great Basin province*
Plateau sedimentary province*
Basin-and-Range province*
Salton basin*
Black Mesa 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 ([ ]).