Usage:
Buck Formation (CO,UT)
Buck Shale Member of Price River Formation of Mesaverde Group (UT)
Buck Tongue of Mancos Shale (CO*,UT*)
Buck Tongue of Mancos Group (CO*)
Subunits:
Loyd Sandstone Bed (CO*).
Geologic age:
Late Cretaceous (Campanian)*
Type section, locality, area and/or origin of name:
Named from Buck Canyon, in T. 19 S., R. 23 E., [Antone Canyon 7.5-min quadrangle, Grand Co.], Book Cliffs, central eastern UT (Fisher, 1936).
AAPG geologic province:
Green River basin*
Paradox basin*
Piceance 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 ([ ]).