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National Geologic Map Database

Geologic Unit: Schnebly Hill

Usage:

Schnebly Hill Formation (AZ)


Subunits:

(alphabetical) --all in AZ: Bell Rock Member, Big A Butte Member, Corduroy Member, Fort Apache Member, Rancho Rojo Member, Sycamore Pass Member.


Geologic age:

early Permian (Leonardian)


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

Type section: in sec. 3, T. 17 N., R. 6 E., Munds Park quadrangle, Coconino Co., AZ. Named from Schnebly Hill (Blakey, 1990).


AAPG geologic province:

Plateau sedimentary 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 ([ ]).