Usage:
Music Mountain Formation (AZ*)
Geologic age:
Late Cretaceous to Eocene, probably Paleocene to Eocene*
Type section, locality, area and/or origin of name:
Lat. 35 deg. 38 min. 00 sec. N., Long. 113 deg. 41 min. 40 sec. W., in adj. parts of sec. 16 and 17, T. 26 N., R. 13 W., UTM grid 12STQ562468, Milkweed Canyon NW 7.5-min quadrangle, Mohave Co., AZ (Young, 1966; see Billingsley and others, 1999, USGS Misc. Inv. Ser. I-2554).
AAPG geologic province:
Plateau sedimentary 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 ([ ]).