Usage:
Redonda Formation (NM*)
Redonda Formation of Chinle Group (NM)
Geologic age:
Triassic, Late*
Type section, locality, area and/or origin of name:
Not designated. Origin of name not stated by authors, but probably named from Redonda Mesa, Quay Co., NM (Dobrovolny and Summerson, 1946).
AAPG geologic province:
Sierra Grande uplift*
Palo Duro basin*
Las Vegas-Raton 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 ([ ]).