Hayden Peak Latite (CO*)
Also called Hayden's Peak Latite in some reports.
Tertiary*
Not designated. Named from Haydens [Hayden's] Peak, about T. 46 N., R. 9 E., Saguache Co., CO (Patton, 1916).
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 ([ ]).