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National Geologic Map Database

Geologic Unit: Rincon Valley

Usage:

/Rincon Valley Granodiorite (AZ*)

[Preoccupied. Name previously applied to Rincon Valley Formation of Seager and others (1971) in NM.]


Geologic age:

Mesoproterozoic*


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

Type area: in sec. 32 and in west part of sec. 33, T. 15 S., R. 17 E., Pima Co., AZ (Drewes, 1977).


AAPG geologic province:

Southwestern Basin-and-Range region*


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 ([ ]).