Apache Leap Tuff (AZ*)
Tertiary*
Miocene*
Type section: Queen Creek Canyon and Oak Flat, in sec. 36, T. 1 S., R. 12 E., and in secs. 28, 29, 30, and 31, T. 1 S., R. 13 E., Superior 7.5-min quadrangle, Pinal Co., AZ. Named from Apache Leap, a prominent west-facing cliff that trends southward through central part of Superior 7.5-min quadrangle (Peterson, 1969).
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 ([ ]).