Usage:
Loyd Sandstone Bed of Buck Tongue of Mancos Shale (CO*)
Loyd Sandstone Bed of Mancos Group (CO*)
Loyd Sandstone Member of Mancos Shale (CO*)
Geologic age:
Late Cretaceous (Campanian)*
Type section, locality, area and/or origin of name:
In center sec. 36, T. 5 N., R. 92 W. Named from town about 5 mi southwest of type locality (Konishi, 1959).
Type section: in cliff on south slope of Iles Mountain, about 0.2 mi from CO Highway 13, Moffat Co., CO (Konishi, 1959).
AAPG geologic province:
Green River 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 ([ ]).