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National Geologic Map Database

Geologic Unit: Willow Canyon

Usage:

/Willow Canyon Formation of Bisbee Group (AZ*)

[Preoccupied. Name previously applied to Willow Canyon Formation of Kay and Crawford (1964) in NV.]


Geologic age:

Late Jurassic(?) to Early Cretaceous*


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

Type section: in Whetstone Mountains, in SE/4 sec. 25, T. 18 S., R. 18 E., Pima Co., AZ (Finnell, 1970).


AAPG geologic province:

Basin-and-Range 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 ([ ]).