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National Geologic Map Database

Geologic Unit: Mural

Usage:

Mural Limestone of Bisbee Group (AZ*,NM*)
Mural Formation of Bisbee Group (AZ*)


Geologic age:

late Early Cretaceous (Albian)*


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

Forms prominent light-gray cliff at top of Mural Hill, Bisbee quadrangle. Named from Mural Hill, northeast of Bisbee in T. 23 S., R. 24 E., Cochise Co., AZ. (Ransome, 1904).
Principal reference section (composite): lower member in NE/4 NE/4 sec. 10, T. 23 S., R. 24 E.; upper member in SW/4 SE/4 sec. 12, T. 23 S., R. 24 E., Cochise Co., AZ (Hayes, 1970a).


AAPG geologic province:

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