La Garita Member of Fish Canyon Tuff (CO*)
early Tertiary (late Oligocene; Chattian)*
Type area: La Garita Mountain, in T. 42 N., R. 1 E., Saguache Co., CO. Named from La Garita Mountain (Steven and Ratte, 1964).
Piceance basin*
San Juan Mountains province*
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 ([ ]).