Schoolhouse Member of Maroon Formation (CO*)
Schoolhouse Tongue of Weber Sandstone (CO)
Permian, Early*
Not designated. Named from exposures near a schoolhouse east of Meeker, Rio Blanco Co., CO (Thompson, 1949).
Green River basin*
Eagle 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 ([ ]).