Usage:
Peach Spring Tuff (AZ*,CA*,NV*)
Originally called Peach Springs (plural).
Geologic age:
Tertiary
Miocene, early
Type section, locality, area and/or origin of name:
Interstection of U.S. Highway I-40 and Cook Canyon, UTM grid 11SQJ667967, Lat. 30 deg. 10 min. 45 sec. N., Long. 114 deg. 04 min. 24 sec. W., in NW/4 SE/4 sec. 26, T. 21 N., R. 17 W., Kingman 7.5-min quadrangle, Arizona. Named from Peach Spring [name changed to "Peach Springs" on recent editions of USGS topographic map], along road from Peach Springs Wash to Colorado River, Peach Springs 7.5-min quadrangle, AZ (see Billingsley and others, 1999, USGS Misc. Inv. Ser. I-2554).
AAPG geologic province:
Plateau sedimentary province
Mojave basin
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 ([ ]).