Red Tanks Member of Bursum Formation of Madera Group (NM)
Red Tanks Member of Madera Limestone (NM*)
Red Tanks Member of Madera Limestone of Magdalena Group (NM*)
Notable exposures in Lucero Mesa area. [†Magdalena Group not used by the NM Geol. Survey.]
Late Pennsylvanian (Virgilian)*
Not designated (Kelley and Wood, 1946).
Orogrande 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 ([ ]).