Usage:
Campground Member of Sheep Crossing Formation (AZ)
Geologic age:
Tertiary
Miocene, middle to Miocene, late
Type section, locality, area and/or origin of name:
Type section (same as type for Sheep Crossing Formation): railroad cut 200 m east of where Route 273 crosses West Fork of Little Colorado River (=Sheep Crossing), in NW/4 SE/4 NW/4 sec. 33, T. 7 N., R. 27 E., Big Lake North 7.5-min quadrangle, southern Apache Co., AZ. Named from Sheep Crossing Campground (Merrill and Pewe, 1977).
AAPG geologic province:
Black Mesa basin
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 ([ ]).