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National Geologic Map Database

Geologic Unit: Apsey

Usage:

Apsey Conglomerate Member of Galiuro Volcanics (AZ*)


Geologic age:

late Tertiary (Miocene)*


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

Type locality: Apsey Camp on Ash Creek, in sec. 25, T. 5 S., R. 17 E., Brandenburg Mountain 7.5-min quadrangle, Pinal Co., southeastern AZ (Krieger, 1968).
Reference sections: (1) north of Aravaipa Canyon, in secs. 5, 6, 7, and 8, T. 6 S., R. 18 E.; and (2) along Ash Creek, in secs. 19, 20, 29, and 30, T. 5 S., R. 18 E., Pinal Co., AZ (Krieger, 1968).


AAPG geologic province:

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 ([ ]).