Usage:
Manassa Member of Conejos Formation (CO)
Geologic age:
early Tertiary (early Oligocene; Rupelian)
Type section, locality, area and/or origin of name:
[Type area]: exposures east of Manassa, in western San Luis Hills, Conejos Co., CO (Burroughs, 1971; see fig. 1).
AAPG geologic province:
San Luis 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 ([ ]).