No current usage.
(†Molly Gibson Formation of †Patagonia Group (AZ) considered abandoned.)
early Late Cretaceous (Cenomanian)
Notable exposures near Molly Gibson Mine, between Harshaw and Mowry in Patagonia Mountains, Coronado National Forest, [Santa Cruz Co.], southeastern AZ (Stoyanow, 1949).
Basin-and-Range 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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).