No current usage?
(†[/?] Bluewater Formation (AZ,NM) considered abandoned? Uncertain if used by the NM and AZ Geol. Surveys. Not used by the USGS.)
Late Permian
Origin of name not stated by authors, but probably named from lake in north-central Cibola and south-central McKinley Cos., NM (Talmage and Wootton, 1937).
San Juan basin
Black Mesa 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 ([ ]).