Sawatch Quartzite (CO*)
Sawatch Formation (CO)
Sawatch Sandstone of Horseshoe Mountain Group (CO)
Late Cambrian (Dresbachian)*
Type section: Deadmans Gulch, in sec. 14, T. 14 S., R. 84 W., Gunnison Co., western central CO (Bush and Bush, 1974).
Named from persistent occurrence around flanks of Sawatch Range, Pitkin Co., western central CO (Eldridge, 1894).
Denver basin
Eagle basin*
Piceance basin*
South Park 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 ([ ]).