Manuelitas Member of Tererro Formation of Arroyo Penasco Group (NM*)
Middle Mississippian (Visean; Meramecian)*
Type section: Exposures at west end of gap 1.6 mi east of Lower Rociada, San Miguel Co., where Manuelitas Creek (from which probably named) flows eastward from the Rociada Valley into a narrow canyon, on a hill north of Manuelitas Creek about 500 ft north of the Co Road (Baltz, Read, 1960).
Las Vegas-Raton basin*
Palo Duro basin*
Estancia basin*
San Luis basin*
San Juan 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 ([ ]).