Usage:
Chino Valley Formation (AZ*)
Geologic age:
Devonian*
Type section, locality, area and/or origin of name:
Type section: an abandoned quarry, in NE/4 NW/4 sec. 21, T. 16 N., R. 2 E., 2 km northwest of Jerome, Clarkdale quadrangle, Yavapai Co., AZ. Named from Chino Valley, 52 km northwest of Jerome (Hereford, 1975).
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 ([ ]).