Usage:
Toreva Formation of Mesaverde Group (AZ*)
Subunits:
Blue Point Tongue (AZ).
Geologic age:
Late Cretaceous (Turonian)*
Type section, locality, area and/or origin of name:
l.3 mi northwest of Toreva, Hopi Indian Reservation, Navajo Co., AZ (Repenning and Page, 1956).
AAPG geologic province:
Black Mesa basin*
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 ([ ]).