Usage:
Hopi Sandy Member of Mancos Shale (AZ)
Geologic age:
Late Cretaceous (Turonian)
Type section, locality, area and/or origin of name:
Type section: east side of Ha Ho No Geh Canyon, northwest side of Howell Mesa, in NW/4 NW/4 SE/4 SE/4 sec. 36, T. 30 N., R. 13 E., Hopi Indian Reservation, Coconino Co., AZ (Kirkland, 1991).
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 ([ ]).